Question Bank
Ask and answer questions

What are the functions of each part of the body of an ascaris? 
Study Annelids - Easy Review .

An adaption in flowers and plants that promotes the efficient dispersal of pollen by insects and other animals may have arisen through? 
Study Evolution Theory .

Blinking of eye is an example of? 
Study Musculoskeletal .

Why is there variability between specific fibrous proteins? 
My textbook says that globular proteins can have no variability - which I understand because if you took for example amylase, if the amylase molecules …

What are the two types of connections between neurons? 
Read Nervous System .

What are the examples of mollusca?  
Give the characters of each examples. Study Mollusca - Study Guide .

Explain how bacteria are named. 
Study Bacterial Cell .

What distinguishes the neurula stage of embryonic development from the previous stages? 
Read Embryonic Development .

Five raisins are each kept in Beaker A containing 50 ml of distilled water and beaker B had 50 ml of ice cold water. What will be the observation of the student? State reason for this observation. 
The question is related to the plasma membrane or selectively permeable membrane. Please tell the answer. Study Cell Membrane .

WHAT WILL HAPPEN TO A PLANT CELL, IF IT'S PLACED IN A SOLUTION ,WITH EQUAL CONCENTRATION WITH SOLUTE AND SOLVENT? 
Study Cell Membrane .

How do seedless vascular plant reproduce? 
Study Plants .

Can rubella be transmitted by mosquitoes? 
Study Viral Infection .

What is the life cycle of moss? 
Study Moss .

What is the biological function of fructose? 
Study Carbohydrates Properties Review from Biology Questions and Answers .

Describe fully the structure of a protozoa. 
Study Protists - Definition, Types, Structure .

What is cholesterol? 
Study Fat Review - Lipids Explained on Biology Questions and Answers .

Describe the primary structure of a protein. 
Study Protein Structure .

In terms of respiration, why do athletes undergo rigorous training programs in preparation for competition? 
Read Physiology Review - Questions and Answers for Biology Exams .

What is the possible ratio for genotype AA x AA 
Study Mendel's Laws .

Why is the transfer from protein to protein or from protein to nucleic acid is impossible? 
Study Protein Synthesis Made Easy .

What is the significance of crossing over in the evolution of sexually producing populations? 
Study Linkage .

How do pinacocytes aid sponges in feeding ? 
Study Porifera - Complete Zoology Review .

In what organelle does the process of photosynthesis occur? 
Read Cell Structure .

Which are the blood vessels that carry blood to the heart? 
Study The Circulatory System - Complete Review .

What do the peaks in the prey population graph signify? 
At the top the prey population is decreasing or increasing or neither increasing or decreasing. Study Population Ecology .

Describe 2 techniques of chromatography used in Biology. 
Please, answer.

What moves euglena? 
Study Protists - Definition, Types, Structure .

What is a chloroplast? 
Define plankton. Study Cell Division .

It has been suggested that, because human and fish circulatory systems are both ‘closed’ systems, they are equally efficient at circulating blood around the body. 
Comment on the validity of this idea. Study The Circulatory System - Complete Review .

What is the functional advantage of digesting proteins in two stages?  
The first stage being by endopeptidase and then by exopeptidase... Read Digestive System .

What are the excretory organs of a lion? 
Study Mammalian .

When an enzyme catalyzes what is the reaction? 
What happens?

Exchange of gases in the alveoli of the lungs takes place by?  
Tell me the right option: (a) osmosis (b) simple diffusion (c) passive transport (d)active transport.

Which binoculars is best to see birds? 
Study Birds .

Why is the high specific heat of water important to a cell? 
Cells are made up mostly of water, but why is water's high specific heat so important for the cell? Study Water Properties .

If 2 cells undergo mitosis for 4 generations and 75%its population lost the capacity of division and the remaining 25%have continued their division for 4 generations what is the total number of cells? 
2 cell when completes 4 generations probably 32 cells are produced. Read Cell Division .

What is the signficance of DNA and RNA being acidic in nature? 
Study Nucleic Acid .

What will happen if mitosis occurs instead of meiosis in the reproductive organs? 
Explain what will happen if mitosis occurs instead of meiosis in the reproductive organs. Study Cell Division .

Name diffrent levels of organization within the biosphere from smallest to largest? 
Read The Ecosystem .

O Blood group has both antibobies then why dont it cause agglutination with any of blood group A or B as it has A antigen and B antigen respectively? 
Why dont antibodies of o blood group does not cause agglutination reaction with any of antigens in other blood group? Study Blood Types Review .

What Happens To An Animal Cell When It Is Placed In A Very Dilute External Medium?Why? 
Read Cell Biology Review .

Why scientist consider Mendel's law of dominance and segregation as valid? 
Mendle's law of dominance and segregation is valid because... Study Mendel's Laws .

Using the character that define life, compare and contrast a plant, a bacterium, and a salt crystal. 
Using the character that define life, compare and contrast a plant, a bacterium, and a salt crystal.

What are the requirements of RNA to become mRNA, tRNA, rRNA? 
Study Nucleic Acid .

What kinds of questions do population ecologists ask? 
Study Population Ecology .

If one side of a dna molecule has the bases (actgtcaac) , then what would be the complementary basses on the other side of the molecule ? 
Study Nucleic Acid .

What does science study? 
Chapter 1 section 1-1 the science of bio.

What is mutation? 
Study Evolution Theory .

Function of extra embryonic membrane in reptiles. 
Study Extraembryonic Membranes .

Distinguish simple epithelium from stratified epithelium. 
Read Epithelial .

The maintance of solute & solvent in our body is called? 
Study Cell Biology Review .

What does homeostasis and evolution have in common? 
Study Homeostasis . Good question!

Name a structure associated with nervous system which is integrated with endocrine system and also secrete hormones.  
I wanted to know the association of endocrine with nervous system? Read Nervous System .

What is pollination? 
The transfer of the pollen grain from the anther to the stigma of a flower in a same plant or another plant of a same kind is called pollination. Read …

The presence of interbreeding individuals in one place at a given time is called a what? 
Study The Environment .

What are the advantages of being colonial? 
Division of labour?

What is the significance of pharmaceutical algea? 
Read Protists - Definition, Types, Structure .

Unlike other mammals, female monotremes do not have? 
A. specialized teeth. B. nipples. C. mammary glands. D. hair. Study Mammalian .

Differenciate vascular bundles and vascular tissues. 
Read The Circulatory System - Complete Review .

Where in human body the prostate gland is present? 
Study Reproductive System .

If stomata close in the day the Calvin cycle stops? 
Study Plant Physiology .

Which blood vessel, the renal artery or renal vein, carries more nitrogenous waste? 
Read The Excretory System .

How does the chemical digestion of proteins in the jejunum differ from that in the stomach? 
Study Digestive System .

What is the hight of an AABB plant? 
Study Genetics .

What is isotonic solution? 
Study Cell Membrane .

What is primary plant metabolism? 
Read Plant Physiology .

How many sperm cells are produced in males when one diploid cell enters gametogenesis? 
Does anybody know? Read Gametogenesis .

In evolution, the study of vertebrate forelimbs is related to _______ evidence.  
a anatomical b. biochemical c. fossil d. biogeographical Study Evolution Theory .

On my bag of it lists the grams of total carbohydrates, sugars and dietary fiber. What is the chemical identity of the sugars and fiber? 
The fiber is cellulose. The sugar is largely polysaccharide: amylose or amylopectin.

What special features of the skin makes cutaneous respiration effective? 
Read Epithelial .

What are the major constituents of a cell? 
Read Cell Biology Review .

How many chambers does the human heart have? 
Study The Circulatory System - Complete Review .

Describe the male gametophyte of gnetum. 
Study Gymnosperms .

Explain phylum. 
Study Life Kingdoms - Monera, Protista, Fungi, Animalia, Plantae, Virus .

What do you mean by primordialutricle? 
Arrangement of protoplasm surrounding a large vacuole at the center, generally found in plant cell is known as Primordialutricle .

How to demonstrate the production of genetically engineered insulin and industrial biotechnology to class of learners? 
Study Genetic Engineering .

How can plants perform all the life processes? 
Study Plant Physiology .

Does crossing over takes place only in non-homologous chromosome? 
I want to know whether crossing over takes place only in non homologous chromosomes or homologous chromosomes or both and/or sister/ non-sister chromosomes... …

What is the tissue responsible for plant unceasing growth? 
Read Plant Tissues .

Storage of important ions such as phosphorous and calcium is done by which of these organ systems? 
a) Skeletal; b) Muscular; c) Digestive; d) Excretory

What are the most important amino acids to humans? 
Read Protein Structure .

What are examples of impermeable membranes? 
Do only unfertilized eggs of some fishes are examples? Study Cell Membrane .

Describe inability of some mature nerve cells to divide and uncontrol division of certain cells?  
Study Nervous System .

How homeostasis occur? 
Read Homeostasis .

How does the body decide which polypeptide to make? 
Study Protein Synthesis Made Easy .

What is the relationship between mixing intensity with enzyme activity? 
Study Enzyme Activity .

How does excretion in plants take place? 
Study Plant Physiology .

What is the reason for sympathetic nerves to be arised from thoracic & lumbar region of vertebrae? 
Is there some special advantage of having it like that? Study Nervous System .

What is the key characteristic of a plant obtained by asexual reproduction? 
This question is from biology subject and it refers to the topic reproduction in plants and cloning. Read Plants .

How many organ systems are there in humans? 
Read Physiology Review - Questions and Answers for Biology Exams .

What is the pharmaceutical significance of bacteria? 
Study Bacterial Cell .

What is the short term effect if there are no decomposers? 
Study Food Chain .

How the cell membrane material allow the cell to grow in size 
Study Cell Membrane .

Which one of the following combination of the cell parts organizes and controls the reproductive process of the cell? 
A) the nucleus and centrosome b) the cell membrane and centrosome c) the cytoplasm and nucleus d) the nuclear membrane and nucleus Read Cell Division …

Arthropods are the most numerous of all animal phyla. What features of these animals make them such a large and phylum? 
Study Phylum Arthropoda .

What is the main function of the epithelial tissue? How is it adapted to perform this function? 
The epithelial tissue covers the body surface. Read Epithelial .

What factors affect crossing over to occur? 
This is in terms of gene linkage and the chromosomes ability to do so.

What are some disadvantages of excretion in the human body? 
Study The Excretory System .

what does embryo develop in second week of embryo? 
Study Embryonic Development .

What are the advantages and disadvantages of MN blood group? 
Study Blood Types Review .

The total magnification of a specimen viewed under a compound light microscope is determined by? 
Study Biology Questions .

Do dymnosperms have winged pollen? 
Read Gymnosperms .

Allen and Rose are discussing saprotrophs. Allen says saprotrophic fungi decompose the remains of animals and plants. Rose says saprotrophic fungi remove excess lignin from paper pulp. Who is correct? 
A. Both Allen and Rose are correct. B. Only Allen is correct. C. Neither is correct. D. Only Rose is correct. Study Fungi Kingdom …

What are the names of the proteolytic enzymes found in civet digestive system? 
A civet /ˈsɪvɨt/ is a small, lithe-bodied, mostly nocturnal mammal native to tropical Asia and Africa, especially the tropical forests.

What is the important molecule produced by photosynthesis? 
Study Photosynthesis Process - The Easiest Online Review .

What is the role of drugs in enzmatic reactions? 
Study Enzyme Activity .

What is the pharmaceutical importance of protozoa? 
Read Protists - Definition, Types, Structure .

Can two green eyed parents have a brown eyed child? 
Study Genetics .

What is the difference between positive factors and negative factors affecting distribution and density? 
Study Population Ecology .

The group of disease that occur when antibodies develop and begin to destroy the body's own cells is _______. 
Study The Immune System .

What is unusual about pulmonary vein and pulmonary artery? 
Read The Circulatory System - Complete Review .

How does cell to cell movement of water takes place in plants?  
Read Plant Physiology .

How does the bacteria store and transmit its genetic information? 
The nucleus is absent in the prokaryotic (bacteria) cell.

Write the functions of mitochondria cell wall and chromosome. 
Read Cell Biology Review .

Why kidney is called mixed gland? 
Study The Endocrine System .

Define glycosides. 
Read Carbohydrate Properties Review from Biology Questions and Answers .

What is photolysis? 
Study Photosynthesis Process - The Easiest Online Review .

Before entering the female reproductive tract the sperm must first be what? 
Study Reproductive System .

Suggest what happens to pepsin when it enters the duodenum: 
Study Digestive System .

Enlist five waysto conserve endangered life forms. 
Study Biodiversity .

Name the substance formed in excess in urine of a diabetic patient. 
Study The Endocrine System .

How does ethylene gas cause aging in flowers? 
Does the ethylene gas somehow take the moisture out of the petals and leaves? Read Plant Physiology .

Does transpiration from leaves give out more water than transpiration from flowers? 
Study Plant Physiology .

How to detect smell? 
. Olfactory particles enter the nose along with air. . Olfactory particles dissolve in the mucus and reach olfactory receptors. . Olfactory receptors …

Where is the largest number of receptors seen? 
Largest number of receptors are seen in finger and palm? Study Nervous System .

What is synapse? 
Synapse is junction between two neurons. Study Nervous System .

If a person has O negative blood can her parents have A and AB positive? 
Read Blood Types Review .

Why is it important that the ventricles are bigger and thicker than the atria? 
Study The Circulatory System - Complete Review .

Are humans like annelids monoecious? 
Read Zoology Review - Questions and Answers for Biology Exams .

Why would you expect a freshwater amoeba to be more likely to have contractile vacuoles than a marine amoeba would? 
Study Protists - Definition, Types, Structure .

What is negative feedback? 
Study Homeostasis .

A group of organism of the same species that live in the same area is called? 
community population biome ecosystem

What does the enzymatic assay shows?  
I am not a biochemist but interested to know when we do enzymatic assay of soil samples to determine the activities of enzymes of c and N cycle what enzymatic …

Differentiation between the endosperm of gymnosperm and angiosperm. 
Study Plants .

What are the reason behind and its purpose why insect have different structure of their mouthpart? 
Study Phylum Arthropoda .

Expalin whether there is coelom in pearl oyster. 
Study Mollusca - Study Guide .

Explain genetic structure and recombination in virus. 
Read Viruses - Definition, Structure, Genetics and Replication .

Name green house gases. 
Study Environmental Issues .

How do viruses evolve? 
Antigenic shift, antigenic drift. Study Viruses - Definition, Structure, Genetics and Replication .

If cell division during gametogenesis were non-meiotic, what would be its consequence to the future generations of diploid organisms? 
Abnormal number of chromosomes. Study Gametogenesis .

Which of these does not affect the numbers of species in biological communities and ecosystems? 
a. Photosynthesis b. Volcanic eruptions c. Climate change d. Fire

How do fish and frog differ ind excretory organ and the products and mode of excretion? 
Study Fish Facts .

In what ways is the reptile organ advanced over that of fishes and amphians? 
Study Reptiles .

Why are orgamisms belonging to the phylum mollusca protected by calcareous shell? 
Organism belonging to the phylum Mollusca has soft, unsegmented body, thus a hard calcareous shell is present to protect the soft body. Read Mollusca …

What is the difference between a rotavirus and a coronavirus? 
Study Viruses - Definition, Structure, Genetics and Replication .

Shape determines function in what types of biology structures? 
Study Cell Biology Review .

Which organelle is involved in maintaining homeostatic level of glucose in blood? 
Study Cell Structure .

How complement system is a part of both innate and acquired immunity w 
Study The Immune System .

What is the pharmaceutical significance of protozoans? 
Study Protists - Definition, Types, Structure .

What is the pharmaceutical significance of bacteria, fungi? 
Study Microbiology Review - Questions and Answers for Biology Exams .

Describe the proces of fertilization in humans. 
Study Gametogenesis .

Linkage Map Of Chromosome (problem) 
When i was reading Campbell, i got to the "Linkage map". imagine on a chromosome, we have 3 different genes: b, vg, and cn(cn is between b and vg)recombination …

Meristem cell posses high mitotic rate. Why is it significant to plant? 
Study Plant Tissues .

What would happen to the intestinal enzymes if the pH in the small intestines is 2? 
Read Digestion System .

Are biological membranes limiting or not? If limiting, how? 
Biological membranes are limiting or they are not limiting. Please explain with examples. Study Cell Membrane .

Why are sponges and other animals with irregular body symmetry usually stationary? 
Study Porifera - Complete Zoology Review .

Which is not a part of nutrition ingestion excretion assimilation egestion 
Study Physiology Review - Questions and Answers for Biology Exams .

Sally completes an experiment in her classroom in which she speeds up a chemical reaction. Why is the substance that speeds up the reaction labeled a catalyst but not an enzyme? 
Study Enzyme Activity .

How does the MN blood system shows itself? 
Study Blood Types Review .

How is a mouth of a crocodile adapted for feeding? 
On the top of the crocodile's snout is its nostrils, eyes, and ears, so that it can submerge most of its body but still be able to track potential prey. …

What is Botany? 
Study Plants .

What is the similarities between plant that undergo growth with plant that did not undergo growth?  
Study Plants .

Examples of birds that live in the cold except the penguins. 
Study Birds .

What is Ramachandran plot? 
Study Protein Structure .

What are the raw materials required for photosynthesis, and from whre are they obtained? 
Study Photosynthesis Process - The Easiest Online Review .

What is keratinisation? 
Hi, can you explain me what is keratinization ,and how does it work to maintain a healthy epidermis? Identify (you can use a diagram to support your …

Why plant physiology is important as a field of study? 
Read Plant Physiology .

Can venom antigen trigger an autoimmune response and mask an autoimmune disese such as lupus, etc...? 
The venom can be sea creatures such as cone snail, jelly fish or lion fish, or a spider or centipede such as found in Hawaii. Can the venom wear off leaving …

If O blood group contains anti-a and anti-b antibodies then why it is regarded as universal donor? 
If transferred to recipients having A or B blood group then it will cause agglutination reaction. Study Blood Types Review .

Though not having any enzyme producing mechanism hoe do the red blood cells respire anaerobically? 
The red blood cells don't possess ribosomes,endoplasmic reticulumn or nucleus to generate new enzymes. Study Blood Questions .

Which pair is NOT related?  
Select one of the options below as your answer: A. cells and tissue B. nucleus and DNA C. cell wall and plants D. chloroplast and animals

Which of the following is not true about blood types? 
Answers: IA represents antigen A on red blood cells. A person with AB blood has two different antigens on his red blood cells. The allele …

To perform photosynthesis, chloroplasts are dependent on what? 
Study Photosynthesis Process - The Easiest Online Review .

Why is it said that a cell without nucleus is without any future? 
Study Cell Nucleus - Definition, Structure and Function .

Cite five functions of a plant cell wall. 
Read Plants .

This structure contains ribosomes, proteins are synthesized in here. 
Study Cell Structure .

Why secondary growth is high in spring? 
Study Plant Physiology .

Extra embryonic membranes are derived from? 
Is it from formative or follicle or inner cell mass or trophoblast? Read Extraembryonic Membranes .

Question on fermentation. 
Like _______ fermentation evolved _________ _________ ________ contained ________ and does not use _________.

Does a human cell have a magnetic field? 
Study Cell Structure .

Which fetal pig glands are endocrine? Which are exocrine? Both? 
The pancreas is both endocrine and exocrine. I'm just not sure about the Thymus, thyroid, liver, adrenal, ovary, and teste are of a fetal pig? Study …

What tissue consists of only one layer of box-like cells? 
Read Cell Tissue .

What is the body temperature of pearl oyster? 
Study Mollusca - Study Guide .

The only one protein or enzyme which containing all 20 different types of amino acids is/are? 
Read Protein Structure .

Is starch a storage carbohydrate? 
Study Carbohydrates Properties Review from Biology Questions and Answers .

What is incomplete circulatory system? 
Study The Circulatory System - Complete Review .

What are the main cytoplasmic structures present in animal cell? 
Study Cell Structure .

What is gene?  
Write about its functions? Read Gene .

State two ways by which air passages are adapted to their function of carrying inhaled and exhaled air. 
Study Breathing Process .

Make a form of the 5 kingdom classification system, their salient features and examples. 
Study Life Kingdoms - Monera, Protista, Fungi, Animalia, Plantae, Virus .

How do tubular secretions maintain ionic balance ? 
Study The Excretory System .

How many amino acids are needed to produce proteins that make up cell structures ?? 
Study Protein Structure .

Fat and ATP are different molecules that can both be described as molecules that store energy. Compare the functions of these molecules in terms of energy storage. 
Study Biochemistry Review - Questions and Answers for Biology Exams .

Give an account of protein synthesis in prokaryotic organism. 
Kindly provide me with immediate answers. Read Bacterial Cell . Note: Good question.

Define virus and explain how it functions. 
Read Viruses - Definition, Structure, Genetics and Replication .

Explain the concept of control by negative feedback? 
A negative feedback loop is a sequence of events that brings about an opposite effect to changes, to restore a system to its original state.

Different steps in the process of nutrition in starfish are? 
1ingestion 2 digestion 3 absorption 4 assimilation 5 egestion Study Echinodermata Phylum - from Biology Questions and Answers .

Why is the amount of energy present at the upper levels of an energy pyramid less than the amount of energy present at the lower levels? 
Study Food Chain .

What media or test we use to isolate or identify algae? 
Agar, streak plate. Read Protists - Definition, Types, Structure .

How do we differentiate red tide from others? 
Study Environmental Issues .

Which factors can influence and continual change in an ecosystem ? 
A.Further Disturbances B.Long Term Climate Changes C.Introduction of nonnative species D.All of the above Study The Environment .

What is the strengths, weakness, opportunity and threat of annelida digestive cavity? 
Study Annelids - Easy Review .

What type of circulation do nematodes have? 
Nematoda have a variety of different circulation characteristics. For example, they use pseudocoel fluids in order to circulate nutrients and get rid of …

What is malnutrition? 
Study Nutrition Vitamins - Easily Explained .

What are the differences between thallophyta, bryophyta, pteridophyta, gymnosperms and angiosperms? 
Study Plant Classification .

Relate changes in blood osmotic pressure to urine output.  
Study The Excretory System .

How do your organ systems interact to keep you warm when you enter a cold environment? 
Study Physiology Review - Questions and Answers for Biology Exams .

Why are autotrophs important in determining the biodiversity in an area? 
Study Biodiversity .

Which kinds of surgery often lead to surgical infections, what are some examples of implant infections? 
Read Bacterial Infection .

What are the genetic engineering tool for the production of genetic modify organisms?  
Read Genetic Engineering .

What are some possible causes of paraplegia? 
What are the muscles that a person experiences permanent paraplegia from a spinal cord injury? Study Nervous System .

What is it when each body segment is separated from the previous one by a septa and also when each body segment uses pairs of bristles to aid in movement? 
Study Zoology Review - Questions and Answers for Biology Exams .

How does ingested fat find its way from the intestine into the tissue spaces? 
Is it something to do with the villi which line the inner surface of the small intestine which absorbs nutrients such as fats? read Digestive System …

What are the forms in which carbon is found in the oceans? 
Study The Water Cycle .

By independent assortment, a genotype of AaBb produces how many genetically distinct kinds of gametes? 
Study Mendel's Laws .

During the elongation cycle of translation, the A site on a ribosome functions in... ? 
Study Cell Biology Review .

Explain this statement with a typical example in a named ecosystem. 
Study The Environment .

Why is the stomach wall not digested by its own enzymes? 
Because of muscus? Study Digestion System .

What cause of the different color of pus? 
Green color of pus because of dead neutrophils... Study The Immune System .

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...? 
a) an increase in matter , but no increase in the number of icicle b) an interaction between the icicle and the environment c) no way for the icicle …

Hormone without a specific target organ? 
Read The Endocrine System .

What happens if salt is applied to raw mango pieces? 
what is the answer?

An example of positive feedback is the process by which? 
a.) nerve stimulation inhibits glands to produce hormones b.) production of hormones is regulated by brain and spinal cord c.) accumulation of a hormone …

What is the nature of constituents of food? 
Read Nutrition Vitamins - Easily Explained .

What is the function of adrenaline? 
Study The Endocrine System .

Cryptogams that are heterotropic are included under? 
a) Algae b) Fungi c) Thallophyta d) Tracheophyta e) Cyanophyta Study Plants .

Excretory products can be stored in plants but not in animals? Explain. 
Study The Excretory System .

Why organic compounds are degraded to inorganic form not in elemental form for the production of energy? 
Read Cell Respiration .

One megaspore undergoes mitosis and develops into a(n) _ which contains two _ nuclei _ and the _ cell. 
Study Plants .

Fungi 
Study Fungi Kingdom Review .

Where does photosynthesis and transpiration takes place? 
Study Plant Physiology .

What is the mitochondria? 
Study Cell Structure .

Larva of frog excrete through? 
Study Frog Facts .

A crystal immersed in saturated solution increases in size. How this GROWTH differs from th unicellular organism ? 
Unicellular organism is ameba . Points are required. I HOPE YOU WILL ANSWER ME FAST Study Protists - Definition, …

Application of genetic linkage in plant and animal breeding? 
Read Genetic Engineering .

Polymerization and the break down of a polymer are two opposite reactions. What role does a water molecule play in both of them? 
Study Biochemistry Review - Questions and Answers for Biology Exams .

What function does the phenolphthalein serve? 
Biology 102.

Small granules found on the endoplasmic reticulum... 
Answer it by telling the name of the cell part or organelle. Study Cell Structure .

Three branches of Biology are: 
zoology, botany, entomology.

Name the four blood groups and their possibe alleles using a table. 
Study Blood Types Review .

When did the devolopment of aerobic life began on earth? 
Study Origin of Life .

I need to calculate the enzyme activity. 
hello. i have the absorbances of my samples and i need to calculate the activity of these enzymes with extinction cofficient. my enzymes are superoxidase …

What are examples of crawling movement? How is crawling, ameoboid, and mesenchymal-like movements different? 
Movements by cytoskeleton, examples and differences. Read Cytoskeleton .

Given A Transverse Section Image Of An Ovule, How Do You Demarcate The Inner Integument And Outer Integument? How Do You Differentiate The Cell Layers? 
I am trying to characterize an image obtained from histology. Any help is appreciated. Study Gametogenesis .

wWich part of the brain controls respiration process? 
1.cerebrum 2.cranium 3.cerebellum 4.medulla Read Breathing Process .

What type of living plants would you most likely see in an area where ecological succession is just beginning? 
Study Ecological Succession .

What are the benefits of friction for snake motion? 
Read Reptile .

How do the shapes, structures and arrangement of leaves aid photosynthesis? 
Study Plant Physiology .

What are the differences between incomplete and complete linkage? 
Study Linkage .

Adaptational advantage of the feature? 
Study Evolution Theory .

Which kingdom is the connected link in all 5 kingdoms? 
Study Life Kingdoms - Monera, Protista, Fungi, Animalia, Plantae, Virus .

What are the four main mechanism by which homeostasis is achieved? 
Study Homeostasis .

What are the double-membrane bound organelles? 
One finds that there are ONLY three double-membrane bound organelles. Study Cell Structure .

What are edaphic factors? 
Read The Environment .

How do coelenterata adapt to there enviroment? 
Study Cnidarians - Study All About Them .

Where does a lymnaea spp snail go in in a pond ecosytem food web? 
Study Food Chain .

What happens to your brain if some nerve cells are missing? 
Study Nervous System .

Which is the correct sequence for levels of biology organization within an organism? 
Study Cell Tissue .

How to find out male and female frogs? 
How find male & female frog? Read Frog Facts .

What's another form of asexual reproduction besides budding 
Study Cell Division .

How are sedimentary layers used to date fossils? 
Study Evolution .

Which molecule in the respiration general equation is organic and which is inorganic? 
Read Cell Respiration .

What is the intermediate product of respiration? 
Study Cell Respiration .

What are macromolecules? 
Study Nutrition Vitamins - Easily Explained .

How is the embryos of gymnosperms protected? 
How do they protect their seeds? Read Gymnosperms .

describe how energy residing in nadh is hernessed to synthesize atp 
Read Cell Respiration .

How do the kidneys aid the regulating of blood pressure? 
Study The Excretory System .

Sescribe the various kinds of infections affecting human health. 
Read Disease .

Why do animals chew the gut? 
Read Digestion System .

Why herbivorous fish posses long digestive tract? 
May be due to the fact that, herbivorous feed on plants and thus the digestion process of plants require more time to complete, Study Fish Facts .

How does the musculoskeletal system work with the other body systems?  
Read Musculoskeletal .

illustration showing the tissue of the root. 
Read Plant Tissues .

What role does photosynthesis play in the carbon cycle? What about the calvin cycle? 
Photosynthesis has a huge role in the carbon cycle and in the Calvin cycle because photosynthesis is a way of transforming carbon dioxide into glucose, …

In human cell 1 mole of glucose produces 36 ATP energy while in a lower organism 38 ATP are produced. Why ? 
Read Cell Respiration .

Describe protein synthesis under the following headings. 1.transcription. 2. translation. 3. elongation of the peptide chain. 4 initiation of the peptide chain 5. termination of the peptide chain. 
Study Protein Synthesis Made Easy .

What is incomplete doble circulation? 
Read The Circulatory System - Complete Review .

What is the similarity between obelia and aurelia? 
Study Cnidarians - Study All About Them .

An mRNA transcript is what into a polypeptide chain of amino acids? 
Study Protein Synthesis Made Easy .

What is the difference between plasmid and epistasis? 
Study Genetics .

How are birds adapted in the aerial habitat? 
How do birds eat? Study Birds .

Chemical physical and biological properties of water. 
Study Water Properties .

How can bacteria that cause botulism survive in canned food for a long period of time? 
Study Bacterial Cell .

What type of tissue is mostly found in a plant bud in the spring?  
Study Plant Tissues .

What is a light reaction in photosynthesis? 
Study Photosynthesis Process - The Easiest Online Review .

What is the equation of respiration? 
Study Cell Respiration .

In which part of the human cell the bacteria growth occurs? 
Read Bacterial Cell .

What kind of diffusion takes place in bryophytes? 
Read Moss .

In dogs black coat colour is more dominant than white. What colour dog will you chose to breed with a given black dog in order to find its genotype? 
Study Genetics .

Which substances most affect haematopoiesis? 
Erythropoietin? Amino acids? Growth Hormone? ADH? Iron? Calcium? Vitamin D? Study Blood Questions .

How are body symmetry and cephalization related? 
Study Zoology Review - Questions and Answers for Biology Exams .

Explain how biotic factors can influence populations in a way that is independent of population density. 
Study The Environment .

Why virus is resistant to acidity, temperature, chemicals and to un avourable condition? Due to its protein coat or else? 
Are they? Study Viruses - Definition, Structure, Genetics and Replication .

Why is virus an intracellular obligate parasite? 
Read Viruses - Definition, Structure, Genetics and Replication .

Why bacterial cell contains ribosome only and doesn't contain other organelles? 
Study Bacterial Cell .

How many phases are there in a cell cycle? 
How does mitosis work? Study Cell Division .

What are the functions of the sorus found on the leave of a fern? 
Read Ferns - A Biology Review .

How does the dialysis machine work? 
Study The Excretory System .

Do male son always receive only the y chromosome from the father? 
It mean that male son only receive x chromosome from mother and how this is link x-linked genetic disease? Study Sex Chromosomes .

Who discovered the cell? 
Read Cell Biology Review .

Besides the kidney and urinary system, name another method the body has for the excretion of water. 
Read The Excretory System .

How is nitrogen used by animals? 
I don't really have a tentative answer to this question, I'm looking for one. I understand how nitrogen is used in plants, but I would like to know how …

Why did the heat-killed bacteria didn't cause the death to the mice? 
In Griffith Experiment he injected the mice with a mixture of the heat-killed disease-causing bacteria with the live & harmless bacteria the mice have …

When there is no change in the allele frequencies within a species, the population is said to be...? 
Study Genetics .

Does infant has agglutinogen and agglutinin? 
Study Blood Types Review .

Movie making cell system labeled with cell parts? 
Actors=(cell part of cell system) Director=(cell part of cell system) Producer=(cell part of cell system) Sound Manager= (cell part of cell system) …

What makes hydras different than other cnidarian? 
Study Cnidarians - Study All About Them .

Some viruses and tumor cells evade the immune system by inhibiting Signal I to occur? What is signal I?  
Some viruses and tumor cells evade the immune system by inhibiting Signal I to occur? What is signal I? Study The Immune System .

The interstitial fluid of most marine invertebrates is what to seawater 
a. isotonic b. hypertonic c. hypotonic d. none of these Study Zoology Review - Questions and Answers for Biology Exams .

The classic examples Lamarck used to explain the concept of use and disuse is the enlongated neck of the giraffe. Why not the others animal who eats the grass? 
USE AND DISUSE In this part of his theory, Lamarck suggests that by continually using a structure or process,that structure or process …

If we wanted to produce human insulin or human blood clotting factor in bacteria, what problems might we encounter? 
If a patient had a defective gene for insulin or blood clotting factor and we wanted to replace the patient's defective gene with a functioning gene for …

Which of these structures is responsible for ATP production in cells? 
1. chloroplasts 2. mitochondria 3. ribosomes 4. both 1 l& 2 5. both 2 & 3 Read Cell Respiration .

Scientific term: fossils which shows the internal details of the mollusk.  
Study Mollusca - Study Guide .

The food particles are passing only through the oesophagus and not through the wind pipe. Explain. 
Study Digestive System .

What happens when oxygen is released at cells? 
Only thing I know that 5% of oxygen gets metabolized by tissue cells. Read Cell Respiration .

What does the etiologic agent do when it enters the body? 
Study Parasitism .

How can medium sized particles cross cell membrane? 
Study Cell Membrane .

What are the types of fibers in poriferans ? 
Fibers in poriferans are made of collagen and .......? Study Porifera - Complete Zoology Review .

How would you represent the alleles of a plant that is heterozygous for seed color? 
The allele got yellow peas is dominant to the allele for green peas. Study Genetics .

Why the ramachandran plot is studied in protein structure? 
The two torsion angles of the polypeptide chain, also called Ramachandran angles (after the Indian physicist who first introduced the Ramachandran plot), …

One recognizable difference between plant and animal cells is that...? 
A. animal cells have one or more large vacuoles, and plant cells do not. B. plant cells have thick, rigid cell walls. Animal cells do not have …

How does the structural difference may have a negative effect on the life-cycle of the weakened virus? 
Since viruses are differentiated in normal and weakened virus, how does they differ from one another? Study Viruses - Definition, Structure, Genetics …

What are the disadvantages of single circulatory system? 
Read The Circulatory System - Complete Review .

What happens if during interphase G1/S check fails? 
Study Cell Division .

How do genetic mutations affect the phenotype and genotype of offsprings? 
Mutations can cause a cell to produce an incorrect number of proteins during protein synthesis and the phenotype of the organism would be different from …

Why would gametes produce extra nucleus? 
Read Gametogenesis .

Why is glycerol not a carbohydrate? 
Study Carbohydrates Properties Review from Biology Questions and Answers .

Of which is DNA made? 
Read Nucleic Acid .

Why do we always say it takes months for a new hormonal balance to take place? 
Read The Endocrine System .

Why does succession usually make a community more stable? 
A community is not stable so how does succession make it more stable? Read Ecological Succession .

How are annelids more advanced than nemalodes? 
Study Annelids - Easy Review .

What are 5 plant kingdom questions? 
Study Plants .

Which association is correct? 
A) chorion-nitrogen gas exchange B) amnion- blood vessels C) allantois- food storage D) placenta- nutrient exchange Study Extraembryonic Membranes …

By convention, the sequence of of bases in a nucleic acid is always written in which direction? 
3' to 5' 5' to 3' or from left to right? Study Nucleic Acid .

In an Osmosis test for Microbiology what would happen to S.epidermis and S cervesiae bacteria in 1, 7,15% NaCl? 
Would the growth for each bacteria in the different solutions show no growth, minimal, moderate, or significant and why? Read Microbiology Review . …

Are cnidarians real? 
Study Cnidarians - Study All About Them .

Is pioneer species included in primary succession? 
Study Ecological Succession .

Evolution is defined as? 
Is it hereditary changes in living organisms over time? Read Evolution .

Whats the difference between polypeptide and protein synthesis? 
Study Protein Synthesis Made Easy .

Explain the process of amoeboid movement and explain the role this process play in the immune system of animals. 
Amoeboid movements are created by cytoplasmic movements and plasma membrane projections called pseudopods. Study The Immune System .

How many atoms are there in a single peptide unit? 
4, they are C, O, N, H. Study Protein Structure .

All food are nutrients but all nutrients are not food -explain. 
Food is any substance1 consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, …

What do we need to know about an animal and its environment? 
It's bone structure, digestive system, circulatory system, or it's brain size?

The haematopoietic stem cell differentiates into four main precursor lines... 
List the four lines, the formed elements produced and list their main function. Study Blood Questions .

Are there any bacteria made of more than one cell? 
Study Bacterial Cell .

Do foreign derived microorganisms exist? 
Read Origin of Life .

Are gene mutations in gametes displayed in phenotype? 
Study Genetics .

Parthenogenesis is.. 
A. asexual reproduction by way of budding of a new individual from the parent B. reproduction by way of haploid females laying haploid eggs that hatch …

Trace the path of a molecule of water from the soil until the water is lost by the leaf. 
Study Plant Physiology .

What is transpiration or transpiration pull? 
Study Plant Physiology .

Define monosaccharide.  
Read Carbohydrate Properties Review from Biology Questions and Answers .

Normal body cells have how many copies of each chromosome 
Study Cell Division .

Compare single-loop circulation and double-loop circulation. 
Study The Circulatory System - Complete Review .

"Alternation of Generation" is present in...? 
Study Plant Classification .

Different breeds of dogs represent...? 
Study Evolution Theory .

What is made in cellular reparation that allows all other functions of an organism possible? 
Read Cell Biology Review .

Difference b/w homologous recombination and crossing over. 
Read Linkage .

Are dietary proteins the proteins situated in the cell membrane that act as channels or molecular carriers? 
Study Cell Membrane .

Which tissue is found in spongy stem of aquatic plants? 
Study Porifera - Complete Zoology Review .

How does the respiratory system of mosquito help in mosquito control? 
Read Phylum Arthropoda .

Describe how mammals regulate their body temperature. 
1. Use of the hair on their skins During cold weather the hair erector pili muscles contract and the angle between them and the skin increases. The …

Hormone secretion by what structure maintains the endometrium for most of the duration of gestation? 
Study Reproductive System .

Vertebrates, insects, humans, protozoans, and mollusks which of these are considered the most successful animals that have ever evolved? 
Big debate about which of these is the right answer mainly between insects and humans. Study Zoology Review - Questions and Answers for Biology Exams …

What is a bacteriophage? 
Read Viruses - Definition, Structure, Genetics and Replication .

Describe salient feature of cyanobacteria and how differ from archeabacteria. 
Study Bacterial Cell .

Why are most plant tissue dead? 
Read Plant Tissues .

In dicots how many germ pores does the pollen grain possess? 
Read Angiosperms .

How does the centromere looks like in fact? 
I wanna known how does the centromere looks like in fact? Every one know the structure of DNA and we can draw it as a double helix and we know also the …

in which chromosome X we find the genes of female sexual characteristics? .. Is it possible to find the genes of female sexual characteristics on the chromosome X of the male ? 
In which chromosome X we find the genes of female sexual characteristics? Is it possible to find the genes of female sexual characteristics on the chromosome …

Why does a virus cause different diseases in different areas of the world? 
What are the possible reasons as to why EBV causes such different diseases in these different areas? Read Viral Infection .

How do cells increase in numbers? 
Read Cell Division .

Define prochordata and their classification. 
Study Chordates - Easy Zoology Review .

The peculiarity of fish heart is that it has? 
Read Fish Facts .

Which of the following prepares itself everymonth to received and nurture the growing embryo? 
1. Placenta 2. Uterus 3. Oviduct 4. Vagina Study Embryology Review - Questions and Answers for Biology Exams .

What is active transport? 
Its the movement of ions from an area of high concentration to an area of low concentration against the concentratioin gradient. This means it requires …

What are the broader implications and what causal question does Mendel genetic experiment generates? 
Study Genetics .

Explain the 5 steps ecological succession of an abandoned field in order. 
Study Ecological Succession .

Is there any division of labour among the cells of colony? 
Study Symbiosis .

Why don't things at the top of the food chain have large populations? 
Things at the top of the food chain eat, but are not eaten. If they're "top dog" in the wild, then why aren't there lots of them in the wild? They can …

List and describe in detail the different structures of a protein. 
Read Protein Structure .

Why are red muscles more efficient in circulation than white muscles 
Study Musculoskeletal .

Why do secretions need to be controlled? 
Study Secretion - Biology Questions and Answers Review .

What advantage does having internal membranes confer on eukaryotic cells? 
Study Cell Biology Review .

Who discovered meiosis and mitosis? 
IN 1880s, A GERMAN BIOLOGIST WALTHER FLEMMING DISCOVERED MITOSIS. MEIOSIS WAS DISCOVERED AND DESCRIBED FOR THE FIRST TIME IN 1876, BY A GERMAN BIOLOGIST …

What is the basic characteristic of life? 
THE MOST BASIC CHARACTERISTIC OF LIFE IS REPRODUCTION. REPRODUCTION OCCURS AT DIFFERENT LEVELS OF ORGANIZATION.

What is the difference between fungi metabolism and bacterial metabolism? 
Study Microbiology Review - Questions and Answers for Biology Exams .

List and discuss the steps by which a chemical evolution could have produced a protocell. 
Study Origin of Life .

If peptide change is turned backwards, are the peptides the same molecule with the same properties? 
Ala-Phe-Thr-Ser / Ser-thr- Phe-Ala Read Protein Structure .

True or false: Solid earth formed about 4.6 billion years ago. 
Read Origin of Life .

What is a nematodes's life cycle? 
Study Nematoda - from Zoology Review .

Sensory impulses from the genital region are transmitted to the CNS by way of the...? 
Read Nervous System .

What is the function of the lungs in the circulatory system? 
Read Breathing Process .

Why is ammonia a toxic waste of catabolism? 
Study The Excretory System .

How can monoculture hurt biodiversity? 
Read Biodiversity .

How lenticels allow gas exchage through the periderm? 
Suberized cork cells are compactly arranged and an impermeable barrier to water and gases. Study Plant Physiology .

What is ecological succession? 
Read Ecological Succession .

Which of Mendels law states that the inheritance of one trait does not influence another trait? 
Study Mendel's Laws .

Describe the process of ecological succession have changed the species diversity of the area. 
Read Ecological Succession .

Describe the biological importance of osmosis. 
Read Cell Membrane .

Are there any valves present in frog or reptiles heart like human heart? 
In human heart we can observe different types of valves. They are Tricuspid valve, Bicuspid valve, pulmonary valves and aortic valves. What about the …

What are the characteristics of nematodes? 
Read Nematoda - from Zoology Review .

Name three common diseases in the nervous system. 
Study Diseases .

What is meant by "Interactions and coordination between systems are essential for biological activities? 
Read Nervous System .

What does the phenomenon of denaturation tell us about protein conformation and the way in which it is stablished? 
Study Protein Structure .

What do the larvae of echinoderms indicate about the evolution of echinoderms? 
Study Echinodermata Phylum - from Biology Questions and Answers .

Blood type is inherited through multiple alleles, including IA, IB, and i. A child has type A blood. If the father has type AB blood, what are all the possible phenotypes of the mother? 
Study Blood Types Review .

How protein molecules can be identical to each other, yet have different sequences of DNA coding for them? Explain how this is possible. 
Study Protein Synthesis Made Easy .

The stem of aquatic plant is covered with waxy substance... 
It keeps the leaf from drying out. Read Plant Tissues .

What are the three methods used by a cell membrane to recognize molecules? 
Context: Cell Membrane .

Which feature of echinoderms gives their phylum its name? 
Study Echinodermata Phylum - from Biology Questions and Answers .

Most mollusks have open circulatory systems. How does the closed circulatory system of the squid suit its mode of life? 
Study Mollusca - Study Guide .

Why is it important for ecology to determine the population size of animals? 
Study Population Ecology .

What element distinguishes organic chemicals from inorganic chemicals?  
Study Biochemistry Review - Questions and Answers for Biology Exams .

What is microbe biology? 
Study Microbiology Review - Questions and Answers for Biology Exams .

What is a food chain? 
Study Food Chain .

Cross one carrier for the Tay-Sachs allele with one who is not a carrier. 
Complete a Punnett Square and write out the genotype and phenotype probabilities of the offspring. Cross an albino female and a male with a heterozygous …

Why amitosis occur in eukaryotic cells? 
Read Cell Division .

Why normal ratio changes in epistasis? 
Study Epistasis .

How does the cell and tissue defend itself? What is the immune system related to this system? 
Read The Immune System .

What are one and two-membranous organelles? 
Study Cell Structure .

What is the major limiting biotic factor for animal succession in each stage? 
Read The Environment .

What type of body cavity does the annelida exhibit? 
Study Annelids - Easy Review .

Why is stomata distribution different between woody dicots and herbaceous dicots? 
Study Plants .

Describe the difference between positive and negative feedback in the maintenance of homeostasis. 
Study Homeostasis .

What kind of food acquisitions do phylum porifera have? 
Study Porifera - Complete Zoology Review .

Why is human insulin not produced directly by cloning the human insulin gene into bacteria? 
Why might a scientist want to use gene replacement rather than gene addition? Study Genetic Engineering .

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...? 
A - an increase in matter , but no increase in the number of icicles B- an interaction between the icicle and the enviorment C- no way for the icicle …

An embryo's cells take on different jobs in a process called? 
Study Embryonic Development .

What do all lipids have in common? 
Study Fat Review - Lipids Explained on Biology Questions and Answers .

What is protein diversity? 
Read Protein Structure .

During the elongation cycle of translation, the A site on a ribosome functions in...  
receiving a new tRNA with the correct amino acid. holding a polypeptide as amino acids are added. attaching the small subunits of rRNA to the large …

Why do we have food chains? 
Study Food Chain .

Explain the liver as a homeostatic organ. 
Study Digestive System .

Explain the difference in solubility (in water) between lipids and the products of of their hydrolysis. 
Fatty acids and glycerol are the products of lipid hydrolysis. Fatty acids have a polar carboxyl group while glycerol has polar hydroxyl groups hence can …

Describe how the organisms maintain the chromosome numbers during multiplication of sexual reproduction. 
HOW THEY DIVIDE BEFORE FUSION TO MAINTAIN THE CHROMOSOME NUMBER IN THE DAUGHTER CELL. Study Gametogenesis .

Differentiate between prokaryotes cell and eukaryotes cell. 
Prokaryotes cell-it is primitive cell small in size. Nucleus does not have nuclear membrane. Membrane organelles are absent. Eukaryotes cell-it is advanced …

Explain what happens to the distribution of genetic material and cytoplasm during the process of budding? 
Study Cell Division .

Which reactions are possible when it comes to enzymes? 
Study Enzyme Activity .

Write about the function of Golgi bodies? 
Study Cell Structure .

What effect does ecological succession have on an ecosystem? 
Read Ecological Succession .

What nematode has broadly oval ova with brown outer mammillate? 
Read Nematoda - from Zoology Review .

What is strongyloides diagnostic stage? 
Study Worm Diseases

Under what conditions would bacteria reproduce via conjugation? 
Study Bacterial Cell .

Do sponges have self fertilization or not? 
Read Porifera - Complete Zoology Review .

What structures are present in a cell during cell division? 
Read Cell Division .

Do they have a skeleton? 
May use gastrovascular cavity as hydrostatic skeleton? Study Zoology Review - Questions and Answers for Biology Exams .

What is one similarity between the process of cell division in an animal cell and cell division in a plant cell? 
Has to deal with the process of cell division in animal and plant cells. Read Cell Division .

Which group of animals does NOT have two sets of paired limbs? 
a)reptiles b)tunicates c)fishes d)amphibians Study Zoology Review - Questions and Answers for Biology Exams .

List the external structures of the male reproductive system. 
Read Reproductive System .

What is the job of the blood cell? 
Read Blood Questions .

Which would lead one to except linkage of genes if we assume genes are on chromosomes?  
a)Multiple alleles sometimes occur b)The number of hereditary traits always exceeds the number of chromomsomes c)The most complex organism does not always …

Write notes on female gametophyte. 
Study Plant Classification .

What is fertilization? 
Fertilization is the fusion of 2 gametes the male gamete with female gamete. Study Reproductive System .

What is the tat pathway? 
It is a protein transport system for bacteria. Read Cell Biology Review .

What are the effects of high oxygen concentration on the physiology of plants?  
I think it might bring about tissue toxicity. Study Plant Physiology .

How we can demonstrat the action of mass flow? 
A set-up we can construct to show mass flow.

Explain the concepts of genetic equilibrium and its factors. 
Study Genetics .

What is karyomorphometry? 
Study Genetics .

Explain joint segregation? 
Study Genetics .

What are plants? 
Plants are living things that has various parts and help us in many much ways. Read Plants .

All mammals are terrestial? True or false? 
Read Mammalian .

What is a cell? 
A building block of life.

Why do potassium ions have a great effect on cellular osmotic pressure and on cellular size? 
Read Cell Membrane .

What part of a cell membrane can act as an antigen? 
Study The Immune System .

Write a short note about abnormality of new mendelism. 
Read Genetics .

What is the role of light reaction and dark reaction? 
Study Photosynthesis Process - The Easiest Online Review .

What is the basic unit that the nervous system is composed of? 
Read Nervous System .

Differentiate between nucleoside and nucleotide of purine and pyramidine base. 
Study Nucleic Acid .

Trace the route taken by food in the human alimentary canal. 
Read Digestion

Explain how the type of microorganisms present will influence the effectiveness of exposure to antimicrobial agents. 
Read Disease .

Which of the following would you find in a plant cell but not in an animal cell? 
A. cell membrane B. endoplasmic reticulum C. nucleus D. chloraplast Read Cell Structure .

Do the mumps virus reproduce or replicate? 
Reproduce or replicate? Study Viruses - Definition, Structure, Genetics and Replication .

What are the main factors that maintain lung ventilation or keep the lungs from collapsing during breathing? 
Surfactant and the interpleural pressure? Read Breathing Process .

General concept of homeostasis. 
Study Homeostasis .

What are the teeth missing in babies? 
Are they molars?

Why does beed liver have a higher concentration of the catalase enzyme than chicken liver? 
I heard it was due to the fact that beef has a higher protein content but I don't think that is true. Study Cell Structure .

In fruit flies, longs wings are dominant to short wings; complete a cross between a short winged male and a heterozygous female. 
Study Genetics .

How do birds control heat biologically? 
Study Birds .

Under which condition does amylase act on starch most quickly? 
Under which condition does amylase act on starch most quickly? Read Carbohydrates Properties Review from Biology Questions and Answers .

Occurs when immune system makes antibodies that attack foreign tissue... 
Read The Immune System .

What is crossing over in mitosis? 
Study Linkage .

A plant that is Aa Bb Tt is crossed with a plant that is AA bb Tt. What is the probability of the F1 generation having the genotype AA bb TT? 
I think the probability is 1:4 or 25%. Study Mendel's Laws .

What is an impulse in a voluntary response?  
Read Nervous System .

How living cell react to change in the solute concentration of their environment whether they have cell wall or not? 
Study Cell Membrane .

What are limiting factors? 
Read Population Ecology .

Would you agree or disagree that digestion is not a complex process? 
Study Digestion Process .

Do plants absorb nutrients through their leaves? 
Are there hormones that can be sprayed on leaves so that the plant will produce exceptional fruit or vegetables? Read Plant Physiology .

What are the prouducts of hematopoiesis? 
Read Blood Questions .

Why fats do have thermal isolation properties? 
Study Fat Review - Lipids Explained on Biology Questions and Answers .

Define second messenger? 
Study Cell Biology Review .

Who authored the book the origin of life? 
Charles Darwin? Study Origin of Life .

Parotid gland secretes saliva in which portion of oral cavity ? 
A.Superior and posterior B. Posterior Read Digestion System .

What are two features of nematodes that make them successful parasites? 
Two features other than a cuticle and pseudocoel. Study Nematoda - from Zoology Review .

What genus do humans belong to? 
The scientific name for humans is Homo Sapiens. What genus do humans belong to? Read Life Kingdoms - Monera, Protista, Fungi, Animalia, Plantae, Virus …

What is a homozygous? 
Read Gene .

If a person is experiencing excessive thirst do u give glucagon or ADH? 
What is the difference between glucagon and ADH? Read The Endocrine System .

How to calculate the gain of negative feedback? 
Also , how can i know if the gain is positive or negative? Study Homeostasis .