Ask your questions and answer questions asked by visitors of Biology Questions and Answers.
All questions are moderated and may take some time to appear on the site.
Scroll down to read the latest questions.
Click below to see questions from other visitors to this page.
What is meant by the rate of occurrence of crossing over ?
What is meant by the rate of occurrence of crossing over?
What are differences between sweat and respiration?
Sweat is a liquid substance from the sweat pore of mammals.
Where does the absorption of carbohydrate, lipids and amino acids take place in the vertebrates body?
Animals absorption take place in small intestine.
What make arthropods different from other animal phyla?
Study Phylum Arthropoda .
When an n-1 gamete fuses with n+1 gamete what happens?
I think it should result in normal zygote.
Would fish with swim bladders still sink if there was no buoyancy?
Study Fish Facts .
What is biomass?
The total mass of organisms in a given area.
Does tapeworm have miracidium larva?
Does tapeworm have miracidium larva?
What has the cell gained from the breakdown of each molecule of glucose?
2 molecules of pyruvate?
What is the respiration of the sponge and how does it get oxygen and exchange CO2?
Study Cell Respiration .
Please answer my question
Sometimes a cell inaccurately duplicates its DNA, and the resulting cells are not identical. What effects might some results have?
Where are the amino acids located?
Study Protein Synthesis Made Easy .
Mention the pH value in the mouth, stomach & duodenum?
Study Digestive System .
How does the humoral primary immunity response give rise to acquired immunity?
Study The Immune System .
What is the significance of the cel being able to divide?
Study Cell Division .
Outline the formation of recombinant DNA?
Using keywords and phrases:
1. 2 sources of DNA
2. Sticky ends
3. complimentary binding
4. hydrogen bonds
5. DNA ligase
Were you able to observe the nucleolus in any of the cells? If so, which ones?
Study Cell Structure and Cell Nucleus - Definition, Structure and Function .
What step could you add after you transcribe the DNA to make a more complete model of protein synthesis?
Also, study Protein Synthesis Made Easy .
While doing frog disection why it limbs do not bleed when nailed?
As compared to human when our hands are nailed they bleed but why a frog limb never bleeds?
List several diseases caused by protozoans, include the casual organism the phylum in which it is classified and when possible its means of transmission.
Find the answer on Protozooses .
How long do gametes survive in the reproductive tract?
Study Reproductive System .
If the sky were green would plants have evolved with blue leaves?
I wonder how a different color sky would affect leaf color.
Johann Mendel in his experiment on pea plant crossed a pea plant with germ seeds with another pea plant with wrinkled and yellow seeds his observation of F1 & F2 ids progeny?
Study Mendel's Laws .
Write about why people might want to have their baby's stem cells stored and why embryonic stem cells might be more useful.
We suggest you to read this page: Stem Cells from NIH ,
Explain why many different enzymes may be required for a multistep reaction such as cellular respiration.
I need help on this questions, please?
A person has type A blood group while his wife has type B, they have 4 children each with different blood group of ABO system. Explain how it is possible?
Study Blood Questions .
What is the role meiosis plays in the formation of haploid gametes and spores?
The role, not how it does.
What are the factors, which affect community stability of ecosystem?
What are the factors, which affect community stability of ecosystem?
What makes arthropods different from other animal phyla?
Read Phylum Arthropoda .
What are secondary metabolites?
Read The Excretory System .
What maintain homeostasis?
IDENTIFY AND DESCRIBE THE PROCESS BEING USED TO MAINTAIN HOMEOSTASIS?
Who was the supreme ruler of all dinosaurs?
Was there something greater than Tyrannosaurus Rex, Gigantosaurus, Spinosaurus, Mega Raptor...?
What does the fossil theory tell us about evolution?
Read Evolution Theory .
What is a heterotroph?
A heterotroph is an organism that hunts for food to gain energy.
Leaves on my plants are turning brown at the tips. Why?
Leaves on my plants are turning brown at the tips. Why?
Give two examples of how the process of relasing energy in the absence of oxygen in microorganisms can be used to make useful product.
2 examples please
2 features that adapted a phylum to aquatic life.
i dont know so ineed the answer pls
What Is complex chemistry?
What is complex chemistry most compared to?
Give an example of how one population in a community will cause changes in another population.
Read Population Ecology .
Who discovered ecological pyramids?
Study Population Ecology .
Why epidermis of steam are lack of chlorophyll?
Study Plant Tissues .
What are disadvantages of variation?
Study Evolution Theory .
Three features of fossil which help in study of evolution.
Ans: 1.it can predict the age of a species...
Why is bacteria reproduction considered asexual?
Because they do not have a nucleus that needs to split.
How do abiotic factors influence diversity in an ecosystem?
Abiotic factors are non living.
Expain the role of alpha helix & beta sheet in the formation of 3d structure of protein?
I can't find it.
What is the role of experimental embryology in crop improvement?
Study Genetic Engineering .
Why are men capable of continuously producing sperm cells while women cannot?
Why are men capable of continuously producing sperm and women cant continuously produce egg cells?
Explain why chromosome number is maintained during mitosis.
Study Cell Division .
What is circulation?
circulation
Do any of the microorganisms have a structure that resembles a mouth?
I need help with the answer?!
What are the stop and start codons for protein synthesis? How does each accomplish its function?
Please help I don't know the answer and its on my science test tomorrow :)
Describe how Darwin's theory was supported and Lamark's theory was disproved.
Describe how Darwin's theory was supported and Lamark's theory was disproved.
List the main supporting tissues found in a dicot stem.
Have no idea.
What bachelors degree is required to pursue a career in FORENSIC BIOLOGY. Should I do it in Biochemistry, Microbiology or Biotechnology?
Forensic Biology details.
When does ovulation occurs during the menstrual cycle in a normal healthy woman?
Study Reproductive System .
Explain why there is a limit to the number of links found in food chain.
Study Food Chain .
How do flatworms live?
They don't.
Give the three processes performed by all excretory system.
Study The Excretory System .
What is the chemical formula of lipids?
Review your answer from the pages of lipids.
Is it possible for a person to have antigen A,antibody anti-A?
Is it possible that the antigen that enters your body is similar to those on the surface of your red blood cells? And when your body produces the antibodies …
Describe canal system in Porifera?
Study Porifera - Complete Zoology Review .
How many different types of active sites are there?
Active sites have different types of shapes depending on specific types of substrates they bind to.
A detoxicated antigenic toxin on injection into an animal produces active immune response with induction of antigenic tolerance what would be happened if same toxin is injected in the same animal?
Respected sir, in my opinion that animal would be resistant to that toxin, without development of adequate antibodies, means that animal become non immunological …
Changing the shape of an enzyme to a point where it loses its function is called?
Related to enzyme inhibition and denaturing.
What is the process of formation of RNA and DNA?
Study Nucleic Acids .
Name three mineral elements that are required for the formation of cell membranes.
Mineral elements that are required for the formation of cell membranes.
Why Mendel used pea plants?
Is there any speacial thing in pea plant?
What happens if enzymes are manufactured in active form?
Study Enzyme Activity .
Are viruses used in any way during the formation of insulin in bacteria?
Are viruses used - as vectors or in any way during the formation of insulin in bacteria?
Three functions of the cell membrane are...?
Study Cell Membrane .
Why are the groups of small cells better than one large cell at moving material in and out?
Study Intracellular Digestion - Lysosomes and Apoptosis .
What is the result of homeostasis at the cellular level?
a-the cell dies.
b-the cell divides.
c-the cell no longer obtains energy.
d-the environment within the cell is stable.
What is the biological significance of testing how temperature affect enzyme activities?
Study Enzyme Activity .
Describe how the complexity of the animals has changed from the flatworm to the Annelida.
Don't know the answer, really want to find it.
Is there any epithelial cell which doesn't get nutrients from the connective tissue?
Any epithelial cells which get food from the free side?
How do you show that in photosynthesis water is a reactant and a product?
It will probably be an experiment.
How are our cells prevented from being poisoned by lactic acid?
Lactic acid is produced from glucose.
At which stage of follicular development is ovum released?
Study Reproductive System .
How does cellular respiration affect transportation?
This is an 8th grade science question please answer it. I can't find the answer anywhere
What is spirogyra?
A multicellular filamentous green algae.
What smaller molecular building blocks would you choose to start with to make larger molecules which then can be assembled to form cell structures such as cell walls and cell membranes?
Don't know. It's for extra credit and really need it.
What reaction produces disaccharides?
What reaction produces disaccharides?
What is a secreting cell?
Read Secretion - Biology Questions and Answers Review .
Dissecting the node nearest the tumor provides adequate information by itself would be considered: 1. destruction of mutant cells 2. correction 3. reduction or prevention of mutations
This is a case study on cancer.
Where does a baby get it's blood during pregnancy? From it's father or mother?
A baby cannot receive any blood from it's father only from it's mother.
What is homeostasis? Explain.
I want to know the answer to this question.
Why do some individuals acquire the same disease twice, even though it is supposed to appear only once in a lifetime?
I ask this because some people can experience chicken pox more than once in a lifetime.
How is light from the sun transformed into chemical energy to be used by the living beings on earth?
The sun i guess.
Why bryophytes don't have fruit?
Because they are not vascular tissue?
A mutation is created that lacks the coat proteins involved in pinocytosis, in these cells, what might you expect to see?
Is it asking what other type of endocytosis is going to happen if pinocytosis can't function or what happens to the cell itself?
State the most likely hypothetical order of evolution of anaerobic respiration, aerobic respiration and photosynthesis.
Study Evolution .
What is the name of the organelle where organic molecules are produced to form glucose
What is the name of it?
Why is it important for DNA to be duplicated before mitosis?
Study Cell Division .
Which day is suitable for couplation during the menstural cycle for zygote formation?
I have no idea.
What is the difference between Rh+ and Rh- antigens?
What is Rh antigen ?
What kind of abiotic conditions in mangrove systems will find?
Abiotic conditions in mangrove systems.
The respiratory surface of amoeba is?
a.cytoplasm
b.pseudopodia
c.cell membrane
d.trachioles
Compare and contrast the functions of the types of neurons found in the peripheral nervous system and the central nervous system.
Ar they referring to where the neurons go like if CNS the neurons are from the PNS leading to the spinal cord and then to the brain whereas the PNS has …
How does ascaris respire?
Study Annelids - Easy Review .
What is the difference of Monocot and Dicot fruits?
What are their main function?
Why meiosis occured in two cells instead of four cells during spermatogenesis?
During spermatogenesis after primary oocyte meoisis occured it divide into two cells instead of four cells because in meoisis parent cell divide into four …
What is the expected phenotypic ratio for a cross between heterozygous for a given trait?
Using example of Mendel's pea plant as an example.
What is an enzyme?
It is a biological catalyst that speeds up a chemical reaction but it is not used up in the process.
What must occur before cell division begins?
Study Cell Division .
Why is the Cytinocaeae family of plants parasitic to other plants?
Natural World Biology.
There are how many types of sex linked inheritance?
Sex limited trait.
Enzyme amylase functions well in the mouth but not in acidic stomach. Describe the effect of different pH on the activity of stomach.
Study Digestive System .
What is the relationship between man and cellular respiration?
I want the relationship, please :).
Give some examples of bacteria?
Give more than five examples.
How does studying a gene related to a single gene disorder benefit us?
I just need a basic answer to this (a few paragraphs) and the main keywords.
What happens if not enough ATP is created in the ETC?
How many ATP need to be created in order for the ETC to function right?
Why are tertiary structure and quaternary structure of proteins important?
Study Protein Structure .
How to calculate linkage percentage ?
Linkage = sum of all parental of springs / total sum of all offspring × 100?
Relate gene linkage to chromosome assortment and crossing over during meiosis.
During meiosis, genes that are close together on the same chromosome are less likely to be separated than genes that are far apart.
What happens during glysolysis?
Describe in your own words.
Can a blood group O man and a woman group A have a baby with blood group AB?
Read Blood Types Review .
Which organelle is responsible for the energy made in cellular respiration?
Study Cell Respiration .
Why do people produce antibodies to antigens they do not have?
To do with immunological reactions that may take place in the body. This mechanism protects us from agglutination?
Why are ulcers easily infected?
Why is an ulcer painful?
How is biodiversity linked to our survival?
Biodiversity is linked with our survival.
What are the protists that move by means of flagella?
Study Protists - Definition, Types, Structure .
What is the importance and species of halophiles?
What is the importance and species of halophiles?
What groups do human beings belong to?
The species name, genus name, family name, and order name.
How are sex chromosomes and sex linked traits alike?
How are sex chromosomes and sex linked traits alike?
Why meiosis does not occur in lower grade animals?
May be because of absence of centriole?
The term cellular metabolic energy indicates any biological process requiring...?
Biological process requiring...
Name 5 things that the energy released from ATP molecules is used for?
Breaking down of glucose maybe.
If DNA is composed of only three chemicals,why are living things so different from each other?
How do you code for so many different organisms with only three chemicals?
How are stages of natural succession identified?
How are stages of natural succession identified?
Difference betwwen leaf cells and xylem vessels
Function of root hair cells it to absorbs water and minerals from the soil.
What are the special features about ferns?
Read Ferns - A Biology Review .
Describe the mechanism of absorption of water by vascular plants.
Transport in plants.
What are some adaptations of gymnosperms?
Study Gymnosperms .
How are the effects of global warming and acid rain related to cellular phenomena?
Although we often think of global warming and acid rain as phenomena that broadly affect ecosystems, how and in what ways are their cumulative effects …
Explain how the streaming of a Amoeba illustrates phase reversal in a colloid.
This is a question from my Protozoans lab that I am completing. I mainly don't understand what phase reversal is.
Thank you.
Why animal excretory product is more harmful compared to plants excretory products?
Because animals ex-product contain more nitrogen?
What is the function of cell division?
Study Cell Division .
Why does yeast use more glucose under anaerobic condition compared to aerobic conditions?
Yeast use more glucose under anaerobic condition compared to aerobic conditions?
What is the end product of anaerobic respiration that is brought on by an oxygen deficiency in muscles?
Lactic Acid.
How do depressants affect the working of the nervous system?
Depressants stop/slow down neurone impulses. This is because they reduce the amount of acetylcholine (neurotransmitter) and/or blocks receptors, so they …
What is the study of pteridophyta?
Pls help me out
What are the function of the sori found on a fern plant?
What type of spores are produce in the fern plant?
Mendel crossed a pure white pea plant with pure red flowered plant. In F1 generation all flowers were red. (i) which is the recessive trait. (ii) express the gene type of parents F1 & F2 progeny?
Mendel crossed a pure white pea plant with pure red flowered plant. In F1 generation all flowers were red. (i) which is the recessive trait. (ii) express …
Why do we have blood groups?
Study Blood Types Review .
What would happen if the membrane is too efficient of a barrier and blocks things from entering the cell?
I'm not sure what would happen if the cell membrane was too efficient of a barrier.
Describe the impact cellular respiration has on other organisms and the environment.
Describe the impact cellular respiration has on other organisms and the environment.
In what types of plant cell does not occur cell division?
In what type of plant cell does not occur cell division.
What are the differences between the two new cells formed after mitosis and cell division?
I have to compare and contrast the two new cells but I'm confused by what they mean by "two new cells". I thought there was only one new cell, the daughter …
What are aspects of water that make it more suitable for life than liquid methane?
Earth life revolves fundamentally around the presence of carbon to construct complex biological molecules and the presence of water as a solvent. Thus, …
What's the difference between the 4 levels of a protein structure?
Basically how would you compare between those four levels briefly.
What is the advantage of molluscs?
Molluscs have smooth body.
Are there diseases caused by dirt?
Diseases caused by dirt?
What diseases are related to transportation of lipids in small intestine?
Study Digestive System .
Is southern blotting a step in PCR technique used in DNA fingerprinting?
DNA fingerprinting , a process of individual identification.
Explain the age pyramid.
Age pyramids are graphical representations in form of superposed rectangles each representing the number of individuals included in age ranges into which …
What are the abiotic and biotic factors of a fresh water biome?
Study Ecology Concepts .
What are the differences of butterflies, spiders and lobsters?
Like in the Arthropoda class? What do they have different.
What is the reason why human beings must undergo excretion?
Excretion is the removal of metabolic waste product from the body of an organism.
If S is a dominant allele and s is a recessive allele, what is the interpretation of the second generation offspring when Ss is crossed with Ss?
What i mean with the word 'interpretation' here is something like, SS 50%, ss 25% and Ss 25%.
Normally, I find this question if the parent's genotypes …
What is the difference between exosmosis and endosmosis?
Why wet clothes never dry on a rainy day?
What are the characteristics of enzyme?
Characteristics of enzyme in enzyme catalysed reaction.
What do you understand by ecdysis?
What do youn understand by ecdysis?
Which cranial nerve controls respiration?
Part of brain which control respiration.
Discuss the importance of cell division in the process of reproduction.
To deal with cell division
Environmental pollution is a recent problem. Give reason.
Do you agree with this statement?
Why are echinoderms named so?
echinoderms
How do sponges move?
I don't know somwone help me.
Where in the worm's cells are the digestive enzymes produced?
Where can a worm's dna can be found?
What on your body grows quicker when your immune system is active?
What on your body grows quicker when your immune system is active?
Why birds are warm blooded animals and why birds have four chambered heart?
These are warm blooded animals and have four chambered hearts they lay eggs they are known as aves.
What is the expected phenotypic ratio for a cross between two individuals that are heterozygous for a given trait? Use one of Mendel's pea plant as an example.
The word phenotype refers to the physical appearance.
What products do enzymes produce?
Specific products
Explain the process of protein synthesis from processed m-RNA.
Answer from molecular bases of inheritance.
Does interphase occurs after meiosis 2?
Interphase after meiosis 2???
Why don't birds produce lactase?
Study Birds .
How many ATP are produced at the end of stage 2 of cell respiration?
Find the answer on Cell Respiration .
What is the other word for DNA?
It is dioxy ribose nucleic acid right?
How many rounds of Calvin Cycle will it take for 6 glucose?
It would take 12 rounds of the Calvin Cycle to create 6 glucose, because each round makes a 3-carbon sugar that is known as GP3. The stroma holds the GP3 …
Why does the desert plant cactus has thick, waxy coating layer?
BECAUSE IT HAS MERISTEMATIC TISSUE
Describe the calculation of the total number of ATP that are produced from one molecule of glucose during aerobic respiration.
Describe the calculation of the total number of ATP that are produced from one molecule of glucose during aerobic respiration.
Where do neurons receive information from and send messages from where?
Study Nervous System .
Describe the stages of early embryonic development of an acoelomate animal up to gastrulation.
Study Embryonic Development .
Show the total of ATP produce if one molecule of glucose undergoing aerobic respiration in cell.
Aerobic respiration
How might differences in protein structure alter protein function?
Study Protein Structure .
Is sensory organs present in CNS?
CNS ,or PNS
Is there any artificial replacement for virus or any artificial compound closely related to virus?
Good question.
What causes normal cells to stop growing?
cell growing
What is it called when alleles for one trait separate when gametes form?
Study Genetics Concepts
The ability to grow in size is a characteristic of living organisms. Although an icicle may grow in size overtime, it is considered nonliving because there is...
1. an increase in matter, but no increase in icicles
2. an interaction between the icicle and the environment
3. no way for the icicle to move away from …
What effect does acids have on protein structure?
Detailed answer pls
Do all the oscillatoria look alike , or any differentation of certain cell within the filament?
cell membrane at the filament?
Put the process of protein synthesis in order:
mRNA leaves the nucleus
DNA strand unwind and separate
tRNA binds to the corresponding of mRNA
amino acids bind to esch other , the chain lengthens …
From where are nutrients made?
Nutrients are organic molecules made from plants that give energy
thanks!!!!!!!!!!!
Outline the steps involved in the transfer of the human insulin gene into E.coli bacteria.
plz give me a short and to the point answer
What is the relationship between concentration gradient and size of an invertebrate?
Study Zoology Review - Questions and Answers for Biology Exams .
How to do ordination in plant community?
How do we can determine the relationship between species composition, density, biomass, height in different sites of the forest?
What are the molecules containing carbon, hydrogen, and oxygen before and after photosynthesis occurs?
Study Photosynthesis Process - The Easiest Online Review .
why do decomposers do not appear in a foodchain?
Decomposers are not used because they speed up the decaying process that releases mineral salt back into the food chain for absorption by plants as nutrients? …
What kinds of animals are in the grassland biome?
Please answer this questions and write any useful websites that could be used to answer this question!!!!
Why is blood typing represented with the letter i?
For a class, Im working with blood typing and wondered why blood is represented with i.
In organic compounds, carbon atoms are bound to each other by?
Study Biochemistry Introduction .
How many types of proteins structure are there on the basis of different types of bonds involved?
types of protein structure
During the first four days after conception, the zygote undergoes rapid cell divisions and becomes multicellular. What is this cell division called?
Read Embryonic Development .
In the cell undergoing mitosis, describe what happens to the nuclear material.
I wanna know the answer for this. Please.
What kinds of materials may be prevented from passing through a cell membrane?
Study Cell Membrane .
What are the events involved when the innate immune system combats a bacterial infection?
Study The Immune System .
What is the advantage of reduced gametophyte in gymnosperms?
To protect the reproductive parts?
Explain the process of photosynthesis.
Photosynthesis is a process in which plants manufacture their own food in d presence of sunlight, co2 n water.
Why some porifera possess bright color?
To protect themselves maybe.
Explain the theory of enzyme action that is proposed for interpreting the action of enzymes of meats.
Im looking for this for my nutrition food science class. I don't quite understand the Enzyme action.
What are examples of heteroxenous parasites?
EXAMPLES OF OBLIGATORY PARASITES ARE TAENIA,TRICHINELLA.
Describe the impact cellular respiration has on other organisms and the environment.
Study Cell Respiration .
Why is it important for organisms to use an anaerobic ATP production process?
idk the answer at all
If a cell membrane were impermeable to water molecule, how would this change the process of osmosis in our cells?
Study Cell Membrane .
What are the excretory materials in mammals and their sources?
What are the site of excretion?
What is the chemical basis that accounts for most single base erros in replication?
MOLECULAR BIOLOGY
Why would cells go through alcoholic fermentation or lactic acid fermentation instead of cellular respiration?
I think it's because fermentation helps the cell grow rather respiration just converts molecules.
Which of the following answers describes the correct sequence of events in the cell cycle, starting with cell division?
S, G2, G1, M
G1, S, M, G2
S, G1, G2, M
G1, S, G2, M
Is the parasympathetic ganglion close to spinal cord or in target tissue?
The autonomic nervous system is split into sympathetic and parasympathetic nervous systems. Ganglions are present in both systems, where is the ganglion …
CO2 is incorporated into the original organic molecules when?
a. In the reduction phase of the Calvin Cycle
b. In the carbon fixation phase of the Calvin Cycle
c. In the regeneration phase of the Calvin Cycle
d. …
What is a bulk transport?
Bulk transport.
Describe experiments to investigate the evolution of carbon dioxide and heat from respiring seeds or other suitable living organisms.
I have a test coming up in a few days and I can't seem to find an answer to this. I have seen a lot people say that it is the peas experiment, where you …
Give tow examples to describe the relationship between the spatial structure of protein and its function.
Study Protein Structure .
Can the cell cycle described for mitosis be applied to meiosis?
No, they are completely different one is for body cells and one is for sex cells, meiosis makes 4 new cells with 23 chromosomes and mitosis makes two identical …
Decribe the urine formation.
Urine formation
Why is the vaccine of measles not given too early to babies?
Because they have passive immunity coming from mother when fetus or through mother milk?
Why amnion is not present in amphibians?
Amnion is not required as there fertilization is external in water so moist environment is there.
What causes filtrate to cross from the capillaries of the glomerus to the bowmans capsule?
Study The Excretory System .
The prefix bi means two, why is the term lipid bilayer a good name for a cell membrane?
Read Cell Membrane .
How many cells are formed from one cell in mitotic division?
Two cells or four cells.
Can a 3'dntp also be built into DNA? Because a normal dNTP is missing a 2'OH, while this one is missing a 3'OH but still had its 2'OH.
I can't figure out if it's possible to build a 3' OH into a DNA sequence. It might be a mutation then but I'm not sure if DNA polymerase will pick it up …
What type of cells perform some kind of respiration?
Help! Thanks!
Explain how oxygen becomes available to a muscle tissue for respiration.
Study Breathing Process and Musculoskeletal System .
What role do liches play in primary succession?
Study Ecological Succession .
Why is it beneficial for cells that enzymes are not altered by the chemical reaction they catalyze?
I do not know the answer, that is why I am asking.
How are mutations of the respiratory phase diagnosed?
Symptoms of exhaustion, frequent sighing, muscle pain, fructose and alcohol intolerance, lactic acid results...
If a membrane is not permeable to a solute, what does that mean?
I dont know the answer.
What is the powerhouse of cell and why is it called so?
Mitochondria is the powerhouse of cell because it produce energy by respiration.
What are the stages of animal development?
What are the stages of animal development?
How do el nino events develope? outline the consequences of an elnino year for humans and the environment?
ans please?
Make reference to the processess of GEG technology.
Enzymes, roles and advantages.
Name the largest and smallest organelle of cell.
Largest: Endoplasmic reticulum
Smallest: Ribosomes
Calculate how many genetic variations are possible in humans using the genetic recombination formula.
Biology question. Please help.
What is the purpose of lactic acid fermentation?
Find the answer on Cell Respiration .
How a recently born infant get the O antibody?
This O antibody does not have a any antigen. So the antibody production is so difficulty. I think the infant get antibody from his mother's milk.
When fatigue occurs, there are still ATP present in the cell. What is the explanation for this?
Explain to me how this thing happen.
Anaerobic respiration in muscle cells explain how much ATP is produced? Why is anaerobic respiration an important metabolic pathway in muscle?
Anaerobic respiration in muscle cells.
What is base plate protein?
Base plate is part of structure of virus...
Why are the producers like green plants always on the first trophic level?
pyramids of number
Describe how an adaptation of the tapeworm enables it to live in the human intestine.
Thank you in advance for any help.
What are mechanisms associated with parasitic feeding in tapeworms?
feeding in tapeworm
Does number of population of a species increase when the ecosystem diversity increase?
The relationship between ecosystem diversity and number of population.
What is the net gain of atp molecules at the end of aerobic respiration?
Is the net gain 36 atp?
Is there any restriction to when photosynthesis and cellular respiration can occur or take place?
Cellular respiration
How is the amount of ammonia affected by the amount of urine?
Is the amount higher or lower depending on the amount of urine?
Using labelled diagrams where possible, briefly describe the following in complement activation:
Using labelled diagrams where possible, briefly describe the following in complement activation:
(i) the functions of C3 and
(ii) the structure of …
What is meant by gout?
Metabolic disorder.
What will happen if pollination does not take place in angiosperms?
I have no idea about this question please help.
What is the difference between prokaryotic and eukaryotic beings?
Main difference between prokaryotic and eukaryotic.
What is the difference between aerobic respiration and lactic acid fermentation?
I need to distinguish between aerobic and lactic acid fermentation to produce a summary.
What is quantitative phenotypes?
Quantitative phenotypes are those characteristics that can be measured such as length, viability, weight, dressing percentage, eggs/kg, female etc.
What are the four criteria for classifying an organism into a kingdom?
Is it Number of cells, how it obtains energy, and type of cell. Still one missing. Help.
What is the name of the plant that looks like a hairy honeydew melon but when sawn in half grows and expands?
I've seen it on youtube and want to know what kind of plant this is and where it lives.
Where does this plant live and why does it replicate in this …
What are plant remains used for?
Macroscopic and microscopic plant remains.
Which tissue most likely to provide flexible support to the plant?
Parenchyma, sclerenchyma or collenchyma?
Explain the way in which the genetic code in DNA controls the production of proteins.
Protein synthesis.
Which animal shows complete linkage?
a)Male Drosophila
b)Male Honey Bee
c)Female Drosophila
d)Female Honey Bee
What are similarities between bacteria and mitochondria?
Similarity between bacteria and mitochondria.
What is the difference between recessive epistasis, dominant epistaties and duplicate epistasis?
epistasis
What will be the result by crossing ab with b blood group?
When mother blood group is ab and father group is b what will be the result?
How is ecological density important?
Ecology is the study of the plants and animal species and how they interact with their environment.
What mechanism delivers the appropriate nucleotides to their proper location on its unloaded trna molecule?
A lock and key chemical fit. The chemical molecules in each of the three slots can only electrostatically bind with one of the 4 nucleotides available. …
How a gamete becomes haploid?
Study Gametogenesis .
Why different tissues are located at specific sites within leaf?
Study Plant Tissues .
Are soil nematodes observed by our naked eye?
Study Nematoda - from Zoology Review .
What is endocrine reflex? Compare endocrine reflexes and neural reflexes.
In what ways can hormone modify the activities of its target cells?
One hypothesis about the origin of mitochondria is that they were once bacteria that invaded a large cell. What are some predictions of this hypothesis that you could test?
One hypothesis about the origin of mitochondria is that they were once bacteria that invaded a large cell. What are some predictions about this hypothesis …
Explain why genetic varaition are prerequisite for evolution and what factors can produce variations among population?
IT IS RELATED TO GENETIC VARIATION EVOLUTION
What are the different modes of unisexual reproduction?
hint : fission, fragmentation, budding, spore formation
Why are most bryophytes found in terrestrial areas?
Because they live on moist ground and rocks.
What is the role of algae for eutrophication?
plz describe role.
With reference to cells distinguish between a freely permeable structure and a semi permeable structure.
Study Cell Membrane .
Can damaged brain cells or other neurons regenerate?
Study Nervous System .
Wht is biodiversity? Give an account of biodiversity.
Biodiversity refers to the variety of life.
Explains the differents types of leafs according to their margin.
Explains the differents types of leafs according to their margin.
Why introns are needed if they have to remove after transcription?
related to replication
What are restriction endonucleases?
Study Genetic Engineering .
Describe the structure of starch and explain why this structure makes it a suitable molecule for storing energy.
Starch is a polysaccaride made up a mixture of 2 glucose compounds ; amylose and amylopectin. The amylose is a long unbranched glucose chain which makes …
Most turbellarians have what which fasten microvilli of anchor cells to substrate?
Viscid gland cells.
What kingdom would an organism with a nucleus, mitochondria and a giant chloroplast be placed in?
Classification
What do we mean when we say a bacteria is encapsulated?
Bacteria are encapsulated when they are enclosed in a capsule which protect them from being killed by phagocytes and other intracellular killing mechanism. …
What is the energy molecule produced during cellular respiration
What waste produce made by plants is useful for animals?
What is the relationship between the gonads and the pituitary gland?
How does the gonads participate with the pituitary gland?
What is the term for a fluid moving across a membrane from an area of high concentration to one of low concentration?
Cell Membrane
What is the role of lichens in ecosystem establishment?
What is the role of lichens in ecosystem establishment?
Describe the method needed by which every cell in human being gains oxygen.
Circulatory system.
What do you mean by permability of membrane? Explain with suitable example.
Study Cell Membrane .
Do the scientific laws in Biology were made forever? Or is change accepted?
MOONLIGHT PROTEINS- which clearly make wrong, The Central Dogma of Life
DNA -RNA - PROTEIN - ONE FUNCTION OR
ONE GENE : ONE PROTEIN : ONE FUNCTION …
Which part of cellular respiration is most efficient at producing energy?
Study Cell Respiration .
Why do eyes turn red?
Anything that makes the blood vessels in the eyes to swell will cause redness, including allergy, drinking, smoking, infection etc.
A gene causing a particular phenotype can be chromosomally mapped using linkage disequilibrium?
mapping
Which nucleic acid molecule is involved in the process of replication?
Study Nucleic Acid .
What do enzymes do to the amount of energy needed to activate a reaction?
Study Enzyme Activity .
How feeling shape our thoughts.
Study Nervous System .
Why do plants like bryophytes and pteridophytes produce a large number of male gametes?
I think it is due to alternating generation.
What is a producer?
I am student i want to review my test tomorrow so if you can help me please i need help thanks.
Compare and rationalize the speeds of each process in transferring ions and molecules from one side of the cell to the other?
I'm just looking forward to know the comparison between the speed in the transfer of ions and molecules from one side to other side good to another in …
Steps in production and release of conidia?
conidiogenisis....maturation..delimination...secession..proliferation
Which part of human body highest use oxygen?
Brain
Heart
Lungs
What would happen if the ph in the small intestine remained at 2?
I Want to be sure of how the ileum works
What is polymorphism?
What is polymorphism in Zoology?
Name the responsible process creating peptide bond between hemoglobin sequence.
Study Protein Structure .
How many molecules of carbon dioxide are produced of each molecule of glucose that passes through glycolysis and cellular respiration?
1, 2, 3, 6 are the choices
What are the potency requirements in an antiserum?
Potency requirements in an antiserum
What is a plants response to a stimulus that doesn't depend on the location of the stimulus?
I am not sure about the answer.
Nucleus was first observed in the leaves of?
Nucleus was first observed in the leaves of...
(Hint:orchid leave,oak,wheat,rice)
What is cell division?
Explain cell division.
How many molecules in total are produced during the metabolism of one glucose molecule to CO2 and water?
Is the answer 36 molecules of ATP are produced?
How the movement of solutes into the cell influence water movement?
When solute is moved into the cell, water tends to leave the cell or enter the cell. The movement of water is based on the solute present.
What type of cell division occurs after the zygote is formed?
Embryology question.
ATP is USABLE cellular energy. This is often formed by the break down of food...
List another process that forms ATP.
What are the chemical substances that compose the plasma membrane?
What is the difference between plasma membrane and cell wall?
Explain the importance of angiosperms.
They are used as food for example maize and beans.
How old is a plasma membrane?
It's important.
Photosynthesis question. Read below.
Photosynthetic organism is illuminated in a closed, sealed environment; a few hours later it is observed that the CO2 and O2 levels in the surrounding …
Photosynthesis question. Read below.
Photosynthetic organism is illuminated in a closed, sealed environment; a few hours later it is observed that the CO2 and O2 levels in the surrounding …
DO YOU THINK YOUR GENE FOR HEMOGLOBIN OR MYOSIN IS THE SAME AS EVERYONE ELSE'S? WHY? OR WHY NOT?
NO BECAUSE EVERYONE'S GENES ARE DIFFERENT.
How many ATP molecules are produced In cellular respiration?
Can someone help me with this?
How does cilia help protists survive?
Protists.
What is the formula for photosynthesis?
It is for my science i have a exam on January 8.
What type of reasoning uses the general knowledge of science to make predictions about specific cases?
Question on the logic of science.
How does the relationship between dominant and recessive alleles differ in epistasis?
Answer on Epistasis .
In which division motor nerves extend from the brain to muscle without any synapse?
Find the answer on Nervous System .
The activity of enzymes is decreased by some chemicals, called _________.
a)Activators, b) inhibitors, c) coenzymes, d) cofactors, e) apoenzymes
What is binomial nomenclature?
What is binomial nomenclature?
Which form is correct NADH2 or NADH + H+? And why?
We can write FADH2 but not NADH2, mostly NADH+ + H+.
What are the main differences between Egestion and excretion?
Egested materials come from the bowel while excreted materials come from other parts of the body.
How does metabolism occur?
metabolism
What is polyploidy?
What is polyploidy?
Give examples of products that depend on fermentation in microorganisms.
Study Cell Respiration .
What types of organic molecules can be used in cellular respiration to provide energy?
Find the answer on Cell Respiration .
Name one tissue in the thyroid gland.
It can either be thyroid gland or the pituitary gland.
Answer on The Endocrine System .
Can one locus have three different alleles with one dominant and two recessive? Can there be more than three forms of one allele at a particular locus?
I know that the ABO blood system has three different alleles at the locus for ABO blood type, and that IA & IB are co-dominant to i, but if a particular …
If a color- blind man marries a woman who is heterozygous for the trait, what proportion of their male offspring can be expected to be color blind?
I answered 1/2.
My choices are :
1/4 , 1/2, 1/8, all or none
Study Genetics .
Does sex determintion include gametogenesis?
What is the relationship between sex determination and gametogenesis?
Answer on Gametogenesis .
Are strawberries angiosperms or gymnosperms?
I think that they are angiosperms because a flower grows, however, there are seeds on the outside of the fruit.
Answer on Angiosperms .
What does the mRNA attach to in the cytoplasm where protein synthesis occurs?
Find the answer on Protein Synthesis Made Easy .
Identify the major parts of the brain.
Answer on Nervous System .
Suggest a reason for the low arterial partial pressure of carbon dioxide at the summit.
Answer on Breathing Process .
What is the difference in ATP production in an aerobic environment as opposed to an anaerobic environment? Why?
Answer on Cell Respiration .
In an ecosystem, plant is always located at the beginning of a food chain. Do you agree with the statement?
Answer on Food Chain .
How can Pseudomonas aeruginosa survive inside the CNS and cause brain absesses without being directly exposed to oxygen if Pseudomonas aeruginosa is an obligate aerobe?
Study Bacterial Cell .
Why don't starfish and amphibians have the extraembryonic membranes presente in the chicken and human?
Answer on Extraembryonic Membranes .
When fisheries managers move fish from one lake to another, this causes genes to...
blending
flow
mutation
dominance
What is name of the decoding process and what organelle is involved?
Answer on Protein Synthesis Made Easy .
Compare the activities of a specialized cell in a multicellular organism to those of a unicellular organism
Study Cell Tissue .
This organelle is found in plant cells. The function of this organelle is to collect solar energy and use this to produce food, or glucose, for the plant. This organelle is the
Answer on Photosynthesis Process - The Easiest Online Review .
How do light wavelength and energy levels effect plants?
Answer on Plant Physiology .
Ion channels that are more important for resting membrane potential are?
Na+ leak channel.
Study Musculoskeletal .
How change in DNA structure can cause a cell to form a different protein?
Study Protein Synthesis Made Easy .
Write a short note on cell wall.
Study Cell Membrane .
List the major components of immune defence at mucosal sites.
Read The Immune System .
In an ecosystem, plant is always located at the beginning of a food chain. Do you agree with the statement? Explain.
Study Food Chain .
Name the four types of floral leaves.
Study Angiosperms .
How does photosynthesis affect upper level consumers that are carnivores?
Study Photosynthesis Process - The Easiest Online Review .
What is the important process which involves coenzyme?
Read Enzyme Activity .
What structure in protists determines what type protist it is?
Study Protists - Definition, Types, Structure .
How does the prefix in tells which reactions in photosynthesis require light?
Study Photosynthesis Process - The Easiest Online Review .
Where does the energy required to conduct the process of cellular respiration come from?
Study Cell Respiration .
Which of these kind of tissue covers the outer of the human body?
Read Cell Tissue .
How does photosynthesis help cellular respiration happen in a plant?
I know what photosynthesis is and I know what cellular respiration is to but I don't know is how photosynthesis helps cellular respiration.
Study Plant …
What process allows for the binding of two amino acids is called a peptide bond?
What process allows for the binding of two amino acids is called a peptide bond?
Read Protein Synthesis Made Easy .
What are the benefits of flowers?
Study Angiosperms .
Why is population doubling time a significant population statistics?
I think it will help to increase the population.
Study Population Ecology .
Describe the reproductive system of human male.
Study Reproductive System .
What do you mean by dead cell of plant? If they are dead then how they perform there function?
What cell organels are present on them?
Study Plant Tissues .
How do animals with no blood, transport their food ?
What are the types of animals with no blood?
Read The Circulatory System - Complete Review .
When a supplement is described as "membrane active", what does that mean?
What does a "membrane-active" substance do in the human gut?
What must happen before cell division can occur?
Read the answer on Cell Division .
10 occurances of the process of diffusion in plants
Study Plant Physiology .
How do humans impacted Animalia & Protista kingdoms?
Study The Environment .
A male has a genotype XY. which parent is responsible for giving the son the Y chromosome?
Study Sex Chromosomes .
In what way is wasted heat energy formed in muscle contraction useful?
As ATP is spent causing myofilaments to slide, some of the energy is released as "wasted" heat.
Read Musculoskeletal .
What happens after water evaporatea from a lake?
Study The Water Cycle .
What is the symmetry of an annelid?
Read Annelids - Easy Review .
When do the extraembryonic membranes form?
Study Extraembryonic Membranes .
Explain the mode of action employed by antibodies in the response to bacteria invasion?
Read Bacterial Infection .
Does a crab have radial symmetry?
Study Phylum Arthropoda .
What is trophic level?
Read Food Chain .
What are responsible for making proteins and are responsible for protein synthesis?
Study Protein Synthesis Made Easy .
What is the type of process of photosynthesis and cellular and respiration?
Also what occurs in those processes?
Study Photosynthesis Process - The Easiest Online Review .
Describe how the production of eggs and sperm differ.
I know that the eggs are produced from girls and sperm is from guys, but I'm not exactly sure how to describe the difference.
Read Gametogenesis .
How does tRNA know where to drop each amino acid?
Study Protein Synthesis Made Easy .
Explain why it is important for DNA to be duplicated before mitosis.
Study Cell Division .
What is the name of an effector that releases hormones?
Read The Endocrine System .
What are the excretory products in humans?
Study The Excretory System .
How do polar molecules help humans?
Read Water Properties .
How are leaves formed and why don't they grow continuously?
Study Plant Physiology .
How red blood cells help to form blood clot?
Study Blood Questions .
What are the fruiting bodies of deuteromycetes?
Read Fungi Kingdom Review .
Why is protozoa kept in protista?
Read Protists - Definition, Types, Structure .
What compounds make up the sides of the DNA molecule?
Study Nucleic Acid .
What are the 2 kinds of respiration that occur in your body?
Study Cell Respiration .
What is the process of passing water throughout a plant?
Study Plant Physiology and Plant Tissues .
Explain fermentation with yeast. What enters and exits?
Study Cell Respiration .
How is food digested to the cels?
Read Digestive System .
Plants growing very hot and arid climates have greatly reduces photosynthesis actively during the middle hours of the day.
What is the best explanation for this observation above?
Study Plant Physiology .
How many ATP are made during the electron transport system?
Study Cell Respiration .
How many genetically different kinds of gametes can an individual with AAbb can produce?
Study Blood Types Review .
What is chromatid?
Study Cell Nucleus - Definition, Structure and Function .
What is air pollution?
Read Environmental Issues .
What makes the stomach different from other digestive organs in terms of structure and function?
The stomach, a temporary storage tank, where the chemical breakdown of protein begins and food is converted to a creamy paste called chime. The stomach …
Which organ and tissues are rich by elastin?
Which organs and tissues are rich by elastin?
a. Lung
b. uterus
c. aorta
d. bone
Read Cell Tissue .
What stimulates mitosis to occur?
Answer on Cell Division .
What is the importance of puberty and gamete formation in human life cycle?
Answer on Reproductive System .
Why is a coelom significant as criteria for deciding whether animals are "advanced" or "primitive"?
Study Embryonic Development and the Zoology Review .
What is the term used to describe the plasma membrane?
Answer on Cell Membrane .
What is the detail differences and the similarity between primary and secondary growth in plant?
Answer on Plant Tissues .
What is similarity of ground, vascular and dermal tissues?
Answer on Plant Tissues .
What is the cause of the survival of porifera?
Answer on Porifera - Complete Zoology Review .
What is true about plasma membranes in all cells?
1 They occur in an uninterrupted bilayer with membrane proteins only in the internal surface.
2. They are two-sided; i.e., the cytoplasmic side is different …
Which is better for an ecosystem, biodiversity or monoculture?
Which is better for an ecosystem, biodiversity or monoculture?
What are four organells involved in cell division?
Find the answer on Cell Division .
Name one substance the embryo excretes.
Find answer on Extraembryonic Membranes .
What happens to the structure of an enzyme during a chemical reaction?
Find the answer on Enzyme Activity .
Which of the following types of cells can this organelle/structure be found in for ribosome?
Why is this organelle/structure wanted? In other words What does it do for the cell?
Where is the organelle/structure located in the cell?
State various structure modifications in a cell involved in secretions?
Structure modifications in a cell involved in secretion.
Demonstrate what happens during the respiration briefly oxidation of glucose to generate energy
Demonstrate what happens during the respiration briefly oxidation of glucose to generate energy.
What is the function of flatworm to ecosystem?
Study Flatworms Review and Ecology .
What needs to be present in the cell for cellular respiration to take place?
I know that oxygen is needed for some parts, but not for all. Maybe sunlight? Like energy? Sorry, I really don't know.
The heart muscles do not divide, then why the heart of children is small while of adults is large?
Why the heart of children is small and of adults is large...???
Read The Circulatory System - Complete Review .
How much time is taken for transmitting the neurotransmitters in each neuron?
Read Nervous System .
Which protein assists in blood clotting?
Study Blood Questions .
Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
And why?
Read Cell Membrane .
An RNA transcript contains 2000 nucleotide units. However, only 1100 are used in its translation to create a polypeptide. Explain what happened.
Read Protein Synthesis Made Easy .
What biochemical process is responsible for the plants absorption of O2 and net production of CO2? Does this process occur in the presence of light?
Why aren’t the net production of CO2 and net absorption of O2 seen in the presence of light? Explain briefly.
Read Photosynthesis Process - The Easiest …
Vessel elements sieve tubes elements and companion cells are all parts of...
Study Plant Tissues .
What is mean by myofibril?
It is the contractile element which is thread like structure present inside the sarcolemma.
Study Musculoskeletal .
What is sarcolemma ?
Study Musculoskeletal .
What is the effect of enzyme concentration on enzyme activity?
Read Enzyme Activity .
Is a group of fish though to be ancestral of amphibians?
Study Life Kingdoms - Monera, Protista, Fungi, Animalia, Plantae, Virus .
Why are frog skin cells flat and tightly connected, like sheets?
Study Frog Facts .
Is there any example of mollusks with economic importance?
Well, I just need some examples but with the economic importance.
Read Mollusca - Study Guide .
What is the differenece between producers and consumers?
Read Food Chain .
Explain how a vaccine containing a damaged DNA will give protection against future attacks from a normal DNA.
Study The Immune System .
In angiosperm what is the purpose of carrying two gametes when single gamete can fertilise the egg?
Read Angiosperms .
Provide evidence from your observations of leaf structure to support the hypothesis that structure and function are related.
Read Plant Physiology .
Xplain how plants obtain water from the soil.
Plant take in water from their hair roots in a form of osmosis to the xylem vessel to all parts of the plant.
Study Plant Physiology .
Why are arthropods the most successful animal group on the planet?
Give at least 4 reasons why arthropods are so successful.
Read Phylum Arthropoda .
What are the causes of overcrowding?
Study Population Ecology .
Why does energy decrease along a food chain?
Study Food Chain .
What helps maintain the correct temperature in circulation?
Study Physiology Review - Questions and Answers for Biology Exams .
What hormone directly controls the level of water in your body?
Study The Endocrine System .
Should an abstract about the respiration system include sensor, effector and feedback response within the body?
My hypothesis is "if exercise rates increase, then the heart rate and breathing rate increase also".
Study Breathing Process .
Why DNA vaccine is not applied for all antigens?
Study The Immune System .
Why is naturally aquired immunity beter than immunity induced by recombinant vaccine?
Read The Immune System .
What are the commercial use for protists without food?
Study Protists - Definition, Types, Structure .
What would happen if there was too much oxygen in cellular respiration?
Read Cell Respiration .
When a diploid female plant is crossed with teraploid male, the ploidy of the zygote will be? a) 4n b) 5n c) 2n d) 3n e) n
Study Genetics .
Plant with 24 chromosome in microspore mother produces ------ chromosome in pollen grains? a)12 b)24 c) 36 d)18 e) 6
Study Plants .
What is the useful effects of porifera?
How can it help to human beings and environment?
Read Porifera - Complete Zoology Review .
What determines the linkage rate of a gene?
Linked genes are two otherwise unrelated genes that lay close to one another on a chromosome, and through meiosis. Therefore if you inherit one of these …
What is the difference between DNA and collagen?
Read Biochemistry Introduction .
What is an organelle?
Read Cell Biology Review .
Which are the respiratory organs in protochordates?
Read Chordates - Easy Zoology Review .
What kind of circulatory system is present in arthopods?
Study Phylum Arthropoda .
How do we describe protochordates as a link between invertebrates and vertebrates?
Study Chordates - Easy Zoology Review .
Name the body structure which transports oxygen to the body cells.
Study Breathing Process .
Describe in detail the modification of proteins within the endoplasmic reticulum and golgi apparatus.
Study Cell Structure .
A child has blood group A and his mother has blood group B. His father's blood group cannot be...
A)O B)A C)B D) AB
How human eye act as converging lens to produce real image?
Crystalline lens is part of human eye right?
Study Eyes .
Does the effectiveness of pepsin depend on the pH?
Yes it depends on pH because it is so acidic, it can only work in a very acidic atmosphere.
Read Digestive System .
Why does the family tree appears connected to Gregor Mendel?
Read Genetics .
What is the economic importance of Bryophytes
Study Moss .
What is the ecological importance of pteridophytes?
Study Ferns - A Biology Review .
What is difference between enzyme and catalyst?
Read Enzyme Activity .
How enzymes are named?
Study Enzyme Activity .
Compare the characteristics of different groups of tracheophytes.
Study Plant Classification .
What is glucose?
Study Carbohydrate Properties Review from Biology Questions and Answers .
How to determine which alleles are dominant?
Study Genetics .
Difference between alternate and opposit phyllotaxy.
Study Plant Physiology .
The net reaction of photosynthesis clearly shows that photosynthesis is...
The net reaction of photosynthesis clearly shows that photosynthesis is
a) An anabolic process
b) A catabolic process
c) An exergonic process
d) …
Discuss the sequence of events that occur during non specific cellular response upon entry of pathogen in human body?
Study The Immune System .
What are ecological models useful for?
Read The Environment .
Describe the characteristics of a population in homeostasis.
Read Ecological Succession .
What is the definition of transaction in biology?
If it is "translation", see here: Protein Synthesis Made Easy .
What is heartbeat and cardiac cycle?
Study The Circulatory System - Complete Review .
Describe three ways that the knowledge of metabolic processes, photosynthesis and cellular respiration can improve your level of physical fitness.
Read Cell Biology Review .
Describe how a named hormone leaves the organ that produces it and arrives at the cells of its target.
Refer to all structures involved during its journey.
Study The Endocrine System .
Describe the enzymatic activities in small intestine.
Study Enzyme Activity .
Why is it so that cartilageous fishes are ureotelic and bony fishes are ammoniotelic?
Read Fish Facts .
How acidic must an enzyme be?
Read Enzyme Activity .
What are the properties of water?
Study Water Properties .
How does the productivity of the producers affect the trophic levels above?
Trophic levels correspond to positions on a food chain. Therefore producers always belong to the first trophic level and decomposers to the last trophic …
What is the basic unit of biological classification?
Read Life Kingdoms - Monera, Protista, Fungi, Animalia, Plantae, Virus .
What problems can occur during metaphase?
Well, cells would not duplicate or the daughter cells could be damaged and mutations could occur.
Study Cell Division .
List and describe the processes of human cell division forming an embryo.
1.Fertilization
2. Cell division
3. Cleavarage
4. Implantation
5. Embryo
Study Embryonic Development .
What are the impacts of growing genetically modified crops on biodiversity?
Study Biodiversity .
What do the peaks in the prey population graph signify?
Study Population Ecology .
How does ecological succession affect an ecosystem?
I know ecological succession benefits but could i write how it benefits or not?
Study Ecological Succession .
Describe a possible catastrophic event causing primary succession in a rainforest ecosystem.
Read Ecological Succession .
In humans, Huntington's disease gene is dominant to normal gene. What are the possible offspring of a parent with Huntington's and a normal parent?
Study Genetics .
How does history affect the development of scientific ideas?
Read Karl Popper.
Why were primitive forms of life heterotrophic?
Study Origin of Life .
What would be the tcbd and tcdr genes in the following sequences tcd b: 5'-ctcgtagaattcctgcgtacc-3' and tcd r: 3'-gathagtggcctgactaaggggccaaaa-5'?
You have isolated several fragments from toxicity genes of C. difficle that you are interested in studying. you are designing complementary PCR primers …
Which genetic chromosomal mutation occurs that could make possible the differentiated cell reverses back to stem cell?
Study Biology Questions .
The easiest way to diagram predatory and parasitic relationships between several species would be by using a...?
Study Population Ecology .
What is aerobic and anaerobic bacteria?
Read Bacterial Cell .
What would be the blood group of the child if both the parents have same O positive blood group or if one of them has A nd othe has B?
Study Blood Types Review .
Describe three ways that the knowledge of metabolic processes, photosynthesis and cellular respiration can improve your level of physical fitness.
Study Physiology Review - Questions and Answers for Biology Exams .
Why don't all cells demonstrate the presence of all intracellular structures?
Study Cell Structure .
Is the plasma membrane permeable?
What is it? How does it work? What does it let through its membrane?
Study Cell Membrane .
What is the Biology field that studies the monera?
Study Bacterial Cell .
Through which part of the root does the plant root respire?
Study Plant Tissues .
How will you know if your insulin gene is present in the plasmid?
Study Genetic Engineering .
What is the function of the chromatin?
Study Cell Nucleus - Definition, Structure and Function .
What are the respiration parts of human beings?
Study Breathing Process .
Which two extra-embryonic membranes would be least developed in humans?
Study Extraembryonic Membranes .
A diploid cell in the female (oocyte) undergoes meiosis I and II and produces how many eggs? Be careful. Four cells result, but they combine to form how many eggs?
Study Gametogenesis .
When you sneeze, why does the air come from your mouth when it's your nose that's irritated?
Read Breathing Process .
Do Cycas have both male & female multicellular gametophyte?
Read Gymnosperms .
What is the average weight of a normal phagocytic cell found in throat tissue, and a cancerous cell?
Study Cell Biology Review .
Why does Avian small intestine pH is slightly acidic ?
Study Birds .
Why are sensory structures more prevalent on cephalopods than on bivalves?
Read Mollusca - Study Guide .
If a diploid female plant is hybridised with a tetraploid male plant, then the endosperm is diploid,tetraploid, hexaploid or octaploid? And how?
Study Angiosperms .
Explain fermentation in your words.
Study Cell Respiration .
Describe each of the following: transcription and translation.
Study Protein Synthesis Made Easy .
Haemagglutination occur when?
Blood group A, B, and AB were mixed together with whole blood from another person X. But haemagglutination did not take place. Give your reasons for the …
Who first classified living things?
Aristotle?
Is ataxia oculomotor apraxia syndrome (MIM 208920) inherited in a Mendelian fashion?
Study Non-Mendelian Inheritance
What do geneticists call alleles that are both expressed in the phenotype when they are together?
Study Gene .
What is a buttress?
A buttress is the button of a tree in the taiga that holds the tree to the bottom.
How does competitive inhibitor inhibits the activity of an enzyme? Explain with an example.
Study Enzyme Activity .
At what stage of an ecological succession an ecosystem exhibits total photosynthesis equal to respiration?
Read Ecological Succession .
Why cancer comes under both degenerative and environmental disease?
Read Degenerative Diseases .
How would membrane function be affected if cytoskeleton is removed?
Study Cytoskeleton .
In the context of Alu, why do some chromosomes have the insertion at this locus and some don’t?
Study Genetics .
Discuss the roles of three different types of reactions that enzymes in our bodies catalyze and the importance of these enzymes.
Study Enzyme Activity .
What is the antagonists of the pectoral muscle?
I think the answer is latismus dorsi.
Read Musculoskeletal .
Explain what would happen to the calvin cycle if an inhibitor to ATP synthase was added.
Study Cell Respiration .
What type of gene interaction is involved in sickle cell anemia? Incomplete or Codominance?
Study Non-mendelian Inheritance .
Which step of scientific inquiry involves organizing and interpreting the data? a. Experimentation b. Analysis c. Conclusion d. Hypothesis
Which step of scientific inquiry involves organizing and interpreting the data?
a.
Experimentation
b.
Analysis
c.
Conclusion
d.
Hypothesis
…
Compare the ways which a cactus and a conifer are adapted to their respective biomes.
Study Biomes .
How the defence mechanisms of the body reduce the chance of entry by a pathogen?
Study The Immune System .
Differences between gastropods and cephalopods.
Read Mollusca - Study Guide .
What are the differences between oligochaetes and polychaetes and leeches in phylum annelida?
Study Annelids - Easy Review .
What is botany?
Study Plants .
Write about the evolution of fungi, nematodes, bacteria and virus.
Read Evolution Theory .
Could we live without Chordata and what are its beneficial uses?
Read Chordates - Easy Zoology Review .
What 3 major steps does the heterotroph hypothesis require?
Study Origin of Life .
Summarize the roles of the krebs cycle and electrontransport chain during aerobic respiration
Study Cell Respiration .
What functions and properties of the cell membrane depend on each of the following ?
A.phospholipids
B.proteins
C.carbohydrates
What is meant by guild?
A guild is any set of organisms which occupy any trophic level and share the same resources!
Read The Environment .
Normal pH of different parts of epididymis: caput,corpus & cauda.
Read Reproductive System .
Tissue formed by meristematic cells which cause stem thickening...
Read Plant Tissues .
Aerobic respiration involves which of the following inputs?
Carbon,dioxide ATP and NADH.
Read Cell Respiration .
What happens to a plant when it does not receive any sunlight , water and nutrients?
Study Plant Physiology .
Regulation of hormone levels in the blood depends on the homeostatic mechanism called what?
Read The Endocrine System .
Name 3 protist that move by using flagella.
Read Protists - Definition, Types, Structure .
Compare apoplast and sympoplast pathway of water absorption?
Read Cell Membrane .
Why neurons are branched?
Study Nervous System .
Where does the intermediate reaction occur?
Please be more specific than mitochondria. Within cristae or matrix?
Read Cell Respiration .
Do all gymnosperms macrophyle contain several ovules?
Cycads macrophyl has several ovules. Do Conyfers have several ovules?
Read Gymnosperms .
Which came first, cells or virus?
Read Viruses - Definition, Structure, Genetics and Replication .
Why do protozoans prefer insects for their living?
Why plasmodium preferred anopheles mosquito rather than other insects?
Read Protists - Definition, Types, Structure .
Why are there more organisms at the bottom of a food chain?
Read Food Chain .
A pathogen has entered your body. Which of the following is likely to happen next to defend against this organism?
Complement proteins initiate a chain reaction to burst harmful microbes.
White blood cells react to harmful microbes by creating antibodies to combat …
Journey of how amino acids become protein.
Read Protein Synthesis Made Easy .
Give specific examples of how plants have contributed to ecological changes that have taken place in the Spirit Lake ecosystem.
Study The Environment .
What are the effects of succession on ecosystems?
Read Ecological Succession .
Give specific examples how animals have aided in the ecological succession in this ecosystem?
Read Ecological Succession .
What effect do pioneer species have on an environment undergoing succession?
Study Ecological Succession .
What happens if enzyme activity increases?
Study Enzyme Activity .
Primary source of allelic variation is?
Study Genetics .
What is the part of cellular respiration done in the absence of oxygen or without oxygen?
Read Cell Respiration .
What do plants store carbohydrates as?
Study Carbohydrates Properties Review from Biology Questions and Answers .
Explain the role of organic compounds in cellular respiration.
Study Cell Respiration .
Why methanogens can live only in aerobic enviroment?
Study Bacterial Cell .
Aristotle's lantern is found in?
Study Zoology Review - Questions and Answers for Biology Exams .
Name four things that make up blood.
Study Blood Questions .
Non-steroid hormones stimulate the production of an intracellular second messenger called what?
Read The Endocrine System .
HBBP1 pseudogene
Where is the HBBP1 pseudogene located?
What 3 structures do Arthropods use to take in oxygen?
Study Phylum Arthropoda .
Epidermis in mammals is called?
Read Mammalian .
What is bile?
Study Digestive System .
What is the process of gametogenesis in males?
Read Gametogenesis .
Give three examples of organs in the body.
Study Physiology Review - Questions and Answers for Biology Exams .
Suppose that, in a given protein, one lysine is replaced with aspartic acid. Does this change take place in the primary or secondary structure? How might it result a change in the tertiary structure?
I think it will take place in the secondary structure but I don't know why.
Study Protein Structure .
Where are SA node AV node and Purkinje fibre, bundle of His located?
Study The Circulatory System - Complete Review .
How do plants and animal tissues compare?
Both plant and animal tissues form the most numerous and largest tissues for their specific organisms. Both are also densely packed together, leaving very …
What is an example of chemical energy?
Study Enzyme Activity .
For each of the reactants and products of aerobic cellular respiration, please describe where the reagent or product
For each of the reactants and products of aerobic cellular respiration, please describe where the reagent or product came from.
C6H1206 + 602 ---> 6C02 …
What is the commonest pioneer plant organism in a succession?
Study Ecological Succession .
What is the path of nitrogen waste from the nephron to outside the body?
Study The Excretory System .
What is the main cause of liver cancer?
Study Degenerative Diseases .
What is the photolysis of water?
Study Photosynthesis Process - The Easiest Online Review .
Describe briefly how sponge carries out its respiration and digestion.
Read Porifera - Complete Zoology Review .
Can freezing then thawing food change its biochemical makeup?
Can freezing then thawing food change its biochemical makeup? If so, could this affect how the body digests and uses the food?
Read Biochemistry …
How does the organisms know lactic acid is present?
Read Cell Respiration .
During cellular respiration, glycolysis depend on whether O2 is present or not. Explain.
Glycolysis occurs if oxygen is present or not for it only splits glucose for other metabolic pathways to happen.
Study Cell Respiration .
What are the types of linkage?
Read Linkage .
What are the digestive systems of rabbit and earthworm?
Read Zoology Review - Questions and Answers for Biology Exams .
What's the mechanism of being invisible?
Invisibility can be achieved by any number of different mechanisms, including perfect transparency without refraction, mechanisms that reroute light particles …
What are the examples of epistasis?
Study Epistasis .
If a plant is kept in the open with vaseline applied on its leaves, will it absorb water from its roots?
Read Plant Physiology .
What is genetic cross?
Read Genetics .
Since neurons are destined never to divide again, what conclusion can be made?
A. These cells will go through cell division. B. These cells will be permanently arrested in the G1 phase. C. These cells will be permanently …
What is the scientific name for a buffalo?
Read Mammalian .
What are three features of cell ultrastructure that you would expect to find in these specialized parenchyma cells?
Read Cell Tissue .
Sam looked at an image of an embryo that is a compact mass of cells. Which is the term for this embryo?
Read Embryonic Development .
What is concentration?
Study Cell Membrane .
Critical temperature of alga cells that plasmolysis does not take place anymore.
Read Protists - Definition, Types, Structure .
What is the classification of mustard?
Kingdom=
division=
class=
order=
family=
genus=
species=
Which are the organelle involved in movement, a different one in protein transport, and a third one in information transfer within a eukaryotic cell. Is the cell wall living?
Flagella is involve in movement. The endoplasmic reticulum transport the protein. The rough endoplasmic reticulum, which is responsible for protien that …
How does the nervous system work?
The receptors take stimulation from the environment and send it as a nerve impulse through the sensory nerve. the sensory nerve send this message to the …
How do stimulants affect cellular respiration?
Read Cell Respiration .
There are 2 capillaries P & Q. P passes through sweat gland & Q-leaves the sweat gland. State whether carbon dioxide increased or decreased in Q?
Does the sweat gland excrete carbon dioxide?
Study The Circulatory System - Complete Review .
Why is there a limit on cell size?
Read Cell Structure .
Good question.
How oxygen enter the plants when it germinates?
Study Plant Physiology .
Name one substance that passes into the blood from the tissue, and one substance that passes from the blood into the tissues.
Read Blood Questions .
Briefly describe the mammalian placenta.
Read Extraembryonic Membranes .
How the surrounding temperatures influence constriction and dilation of blood vessel?
How the daily lifestyles influence the function of circulatory system?
Study Breathing Process .
Two organizing theme in biology today?
For example evolution is core theme of biology. But I am confuse which two are organizing theme in biology.
Answer: Molecular Biology, Ecology, Biodiversity, …
How would body function change if the rate of hormone degradation increased? Decreased?
Study The Endocrine System .
Compare vaccine and antibody.
Study The Immune System .
Is conversion of alcohol to acetic acid by acetobacter bacteria, aerobic or anaerobic?
Read Cell Respiration .
What is the role of mRNA, codons and ribosomes in protein synthesis?
Read Protein Synthesis Made Easy .
Describe how mRNA is processed?
Study Protein Synthesis Made Easy .
What are two molecules that can move freely across the cell membrane?
Study Cell Membrane .
Which pH would likely represent the enzyme activity of your small intestine?
Study Digestive System .
Which answer correctly explains how the ATP molecule differs in function from the ADP molecule?
Here are the multiple choice:
ATP stores potential energy, while ADP creates immediate energy.
ADP breaks down energy, while ATP builds energy. …
List the plant species that occur naturally in your ecosystem.
Study Biodiversity .
Why is it more useful to produce enzymes from microorganisms rather than manufacture a single kind of enzyme?
Study Genetic Engineering .
What is translation?
Study Protein Synthesis Made Easy .
What is meant by cleavage period?
Read Embryonic Development .
What are the main divisions of plants?
Study Plant Classification .
Is vomiting an example of homeostasis?
Read Homeostasis .
Explain the statement "change in polar and non polar property of biomolecules of food stuff can change its biological property".
Study Biochemistry Review - Questions and Answers for Biology Exams .
Can hemolysis occur in plant cells?
Plants do not have blood.
Describe the spinal reflex action.
Study Nervous System .
What are the biological contributions of platyhelminthes?
Study Flatworms Review .
List several beneficial uses of chordates what is their role in the environment? Could we live without them?
Study Chordates - Easy Zoology Review .
Explain turnover rate and optimum conditions as related to enzymes.
Read Enzyme Activity .
How does absorption of mineral salts affects water absorption ?
Read Water Properties .
Why does meiosis undergo 2 cell divisions while mitosis only undergoes 1 cell division?
Study Cell Division .
Glycogen,cellulose and starch are all?
Study Carbohydrates Properties Review from Biology Questions and Answers .
What are the steps that the musculoskeletal system goes throught from childhood to adulthood to reach 206 bones?
Read Musculoskeletal System .
How do plants and trees help human society?
Study Plants .
What must kept constant in measuring oxygen consumption in germination?
Study Plant Physiology .
Bradford and Lowry assays
If a mixture of different proteins in a sample (not just BSA) was being measured using the Lowry or Bradford assays, would differences in amino acid composition …
Does the secretory vesicle help rebuilding the plasma membrane?
Study Secretion - Biology Questions and Answers Review .
Are amino acids made up of proteins?
Consider the opposite. Read Protein Structure .
What happens to the rest of the levels if producers increase?
Read Food Chain .
What type of substances pass easily through living cell membranes?
Study Cell Membrane .
How much progress was there in medicine and treatment between 1350-1750?
Interesting questions.
Sponge bodies do not have organs instead they have masses of cells supported by?
A ostia or oscula
B spicules or spongin
C ocula or spicules
D spongin or ostia
Study Porifera - Complete Zoology Review .
List in order the step involved in the breakdown of glucose.
Study Cell Respiration .
What is the importance of mitosis and meiosis in malnutrition, growth and development?
Study Cell Division .
What components are consumed by the process of photosynthesis?
Study Photosynthesis Process - The Easiest Online Review .
Enzymes lower the activation energy of a chemical reaction. Does this describe the role of an enzyme in the decomposition of a substrate?
I really need to know. The actual question is :
I.Each enzyme is very specific and can only catalyze a certain reaction by binding to its substrate …
Which of the following is the most likely cause of succession in ecosystems?
Read Ecological Succession .
Write the name of an enzyme of human body which acts only in acidic medium.
Study Digestion System .
How do transcription and translation occur?
Study Protein Synthesis Made Easy .
Explain the hormonal menstrual cycle in humans.
Study Reproductive System .
Define and explain functions of cell membrane, also give experiments to explain semipermeability.
CELL MEMBRANE- A porous membrane that regulates the entry and exit of substances is called cell membrane.
FUNCTIONS- Regulate the entry of substance …
How are fructose and glucose different?
1)One is a monosaccharide and the other is a disaccharide.
2)They each have a unique molecular formula.
3)They have a double-bonded oxygen in different …
List the plant species that occur naturally in your ecosystem?
Study The Environment .
During genetic enginering if we insert insuline gene in to plasmid how the protein produced in bacteria is not affected by bacteria?
Study Genetic Engineering .
What kind of tissue are xylem and phloem? A. Parenchyma B. Cuticles C. Vascular cylinders D. Vascular tissues
Read Plant Tissues .
How do you label each factor that regulates total population density?
Study Population Ecology .
Name the hormones that are released from the ovary, name the structure from which it is released, it's target organs/tissue/cells, and it's effect on the target in follicular phase and luteal phase.
Study Reproductive System .
Identify three ways that arthropods show cephalization.
Read Phylum Arthropoda .
What evidence exists that supports the idea that organic (carbon - containing) material could have been created from inorganic material?
Study Biochemistry Introduction .
How does the R group lead to structural diversity?
Read Protein Synthesis Made Easy .
Why do facultative anaerobes reduce nitrate?
Enterobacteriaceae reduce nitrate to nitrite, why?
Why tobacco mosaic virus got his name?
Study Viruses - Definition, Structure, Genetics and Replication .
Full classification of polyporus sp is ...?
Study Fungi Kingdom Review .
If the blood goup of mother and father are B- and O+ respectively can their child have blood group AB-?
Study Blood Types Review .
What are the groups that protists are classified into?
Study Protists - Definition, Types, Structure .
Where the enzymes involved in viral replication are synthesized?
Study Viruses - Definition, Structure, Genetics and Replication .
What are factors that affect the rate of hemolysis in red blood cells?
Molecular weight?
Study Blood Questions .
How is digestion performed in sponges?
Read Porifera - Complete Zoology Review .
Describe the effects of calcitonin.
Study The Endocrine System .
What role does the pancreas play in neutralizing chyme?
Study Digestion System .
How could you determine the correct temperature range for a specific enzyme?
Study Enzyme Activity .
Explain why the mechanism of reproduction of the class Mammalia is considered to be more advanced than that of the class Osteichthyes (fishes).
Chondros” means cartilage, “ictis” means fish (both from the Greek); the name chondrichtians is for fishes with cartilaginous endoskeleton. The name osteichthyes …
State one way in which the products of meiosis are different from the products of nuclear division in meristematic tissue.
Study Plant Tissues .
What event can result in the irth of identical twins?
Study Gametogenesis .
What is gram positive bacteria?
Study Bacterial Cell .
What is the complementary sequence of ACTGTCAAC?
Study Nucleic Acid .
What are the two kinds of disturbances that change ecosystems? Give an example of each.
Study The Ecosystem .
How much of water ingested is excreted within twelve hours assuming normal physiology
Study The Excretory System .
What is the ecological importance of pteridophyta?
Read Ferns - A Biology Review .
Describe how you will carry out simple test to show the presence of protein reducing sugar and lipids in a given food sample.
To a small quatity of protein(egg white)substance, put in a test tube.
Study Digestive System .
What is thermoregulation?
Read Homeostasis .
For normal functioning, blood PH can only range from 7.35 to 7.45. What changes will you see in your body as you exercise vigorously for 20 minutes?
Study Physiology Review - Questions and Answers for Biology Exams .
Which organelle is responsible for powering the cell ?
Read Cell Respiration .
Which fact is most important in explaining how enzymes speed reactions?
Very low potential energy tends to make molecules unstable.
High-energy collisions are less common than low-energy collisions.
It takes less energy …
What do you know about peroxisomes?
Read Cell Structure .
What is cytoskeleton? Why it is consider to be important organelle in the cell?
Read Cytoskeleton .
True or false?
Mrs maguire crosses two pea plants with the alleles Ss. If she gets 12 new seedlings as a result, it is more likely that 3 of the seedlings will produce …
Is golgi complex a cytoplasmic structure?
Read Cell Structure .
What are the main characteristics of the bryophytes?
Bryophytes are nonvascular plants, i.e., they do not have conductive tissues and they perform transport of water and nutrients by diffusion; they are cryptogamic, …
What are three environmental changes that would take place if population density of a species doubled?
Recycling, because it would make a change to the environment and population density would decrease.
Study Population Ecology .
What is the membrane on which the epithelial rests?
Study Epithelial .
What are the functions of antipodals and synergids?
Read Gymnosperms .
What did you eat for dinner tonight? What trophic levels does your food belong to?
Answer please...
Study Food Chain .
Describe the effect of auxin's on the plant shoots and on the plant roots.
Study Plant Physiology .
Why is it that night length is considered to be the critical factor in photoperiodism process?
Since during the night, stomata is open and the rapid flow of carbon dioxide inside gradually took place.
How is the trachea kept open and prevented from getting blocked?
Answers in one or two word or at the most in one sentences?
Study Breathing Process .
What is the function of animal cell?
An animal cell is a form of eukaryotic cell that makes up many tissues in animals. The animal cell is distinct from other eukaryotes, most notably plant …
Can a plant survive if it lacks one of its parts?
Study Plant Tissues .
Justify blood is a tissue.
Study Blood Questions .
What are the pros and cons of fungi?
Study Fungi Kingdom Review .
Why can new land eventually sustain a forest?
Because the rock is broken down to a rich soil; because of increasing biotic factors; because of increasing abiotic factors; all of the above.
Study …
Describe an abiotic factor that could affect a population of squirrels.
Study The Environment .
Describe basic cell structure and function with focus on nucleus, mitochrondria, lysosomes, cell membrane and cell metabolism.
Study Cell Biology Review .
If a DNA strand is A-C-T-G-G-C, what is the base representation that will be produced by transcription?
Study Nucleic Acid .
In a prokaryotic cell what are the elements of an operon?
Study Bacterial Cell .
Why is it difficult to treat diseases caused by viruses?
Read Viral Infections .
Explain the kingdom Monera.
Study Bacterial Cell .
What is a lysosome?
Study Cell Structure .
When we see the onion peel in compound microscope which cell organeell is not seen?
Study Cell Structure .
Is the terminal phosphate of ATP bound to the substrate?
This is in relation to how cells use ATP to raise energy level of substrates.
Study Cell Respiration .
What is true about 14c?
Read Evolution Theory .
Quaternary consumer have more energy than primary consumers?
Study Food Chain .
What are three organelles not found in cork?
Study Plant Tissues .
What are sponges?
Read Porifera - Complete Zoology Review .
\What are two models of enzyme action?
Study Enzyme Activity .
What role do microbial enzymes play in disease?
Study Bacterial Infection .
What will happen if there was not a endocrine system?
Study The Endocrine System .
Why do some plants stop producing oxygen when the atomospheric carbon doixide levels are too high?
Or is it that they stop respiration only?
Read Photosynthesis Process - The Easiest Online Review .
Why are cells considered a necessary precursor to life?
Study Origin of Life .
What phylum do pillbugs belong to? Explain.
Study Zoology Review - Questions and Answers for Biology Exams .
How is the ETC handled by microbes carrying out anaerobic respiration
Study Cell Respiration .
Describe the steps of the carbon cycle and discuss how various types of organisms and their biochemical reactions contribute to the recycling of carbon in an ecosystem.
Study The Water Cycle .
How nondisjunction affect karyotype of a offspring?
Study Karyotype and Genetic Diseases .
How do plants and human excrete?
Read The Excretory System .
Explain the excretion in plants?
Study Plant Physiology .
Discuss the relationship between growth hormone and insulin. Are there complications associated with their interaction?
Study The Endocrine System .
Name a tissue of higher plant which enables them to survive in terrestrial environment. Mention its distinctive features.
Study Plants .
Submarines were molded after the...?
A. Shape of a soil bacterium.
B. Shell producing tissue of a clam
C. Swim bladder of a fish
D. Surface of prickly burr
Why food is not considered as an antigen, why it does not activate the immune system?
Study The Immune System .
What is a tissue map?
Study Cell Tissue .
How would dehydration affect the specific gravity of urine
Study The Excretory System .
Water moving from a more concentrated area to a less concentrated area is an example of?
Read Cell Membrane .
How does temperature affect the activity of protease enzyme?
Study Enzyme Activity .
How many bones are involved in the formation of each half of pelvic girdle?
Pelvic girdle is composed of two coxal bones and each coxal bone is made up of illium , schim and pubis. So in half of the pelvic girdle , 3 bones are …
Which organelles have an abundance in the lacteal gland cell?
Study Cell Structure .