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What is the importance of bivalent formation? 
The question has been taken from meiosis. Bivalent formation plays role in crossing over which is responsible for genetic variations hence responsible …

During Elisa test and after applying my samples, I have stored them for 24 h in room tempreture in stead of +4 C . Does this mistake affect my results ? 
During Elisa test and after applying my samples, I have stored them for 24h in room temperature in stead of +4 C. Does this mistake affect my results?

One chromosomal abnormality that is usually fatal is 
A) the addition of an extra autosomal chromosome. B) a change in the number of sex chromosomes. C) the exchange of material between homologous chromosomes. …

A protein-digesting enzyme mixes with cholesterol in the digestive tract. What effect does the enzyme have on the cholesterol? 
A. Breaks the cholesterol into amino acids B. Breaks the cholesteol into simple sugars C. Converts the cholesterol to energy D. NO effect

The actual pressure with which water enters into cell is called? 
The options are: (a)DPD (b)OP (C)WP (d)Diffusion Click on post comments to answer.

Potatoes store food in which tissue? 
Click on post comments to answers.

What do organisms need to be of the same species? 
the choices are: -they can interbreed -they share genetic similarities -they are the same color -they fall under the same genus Click on post …

Is endocytosis/pinocytosis/exocytosis a form of diffusion or osmosis or three different processes not related to either? 
I thought that endo/pino/exocytosis were three different processes unrelated to osmosis or diffusion. Right?

Which part of the water cycle is a biological process? 
A. Precipitaion B. Condensation C. Runoff D. Transpiration

What makes rocket/arugula (Eruca sativa) spicy? 
I am 4 and my mummy and I have looked on the internet for the answer but the closest answer we can find is that capsaicin is the thing that makes peppers …

What is amoeboid movement? 
Study Cell Movement .

What controls the movement of substances into and out of a cell? 
--- Click on post comments to answer. For a complete review of all basic Biology subjects, download our full book with more than 1800 reviewed …

What is the theory of evolution by natural selection? 
Study Evolution . Click on post comments to answer.

What is the most poisonous animal? 
Golden frog? Click on post comments to answer.

Is the walls of the vena cava thick or thin? 
Click on post comments to answer.

Are movement corridors...? 
a. Always created by humans b. Only found along stream sides c. Not beneficial, but they are harmful because they allow for the spread of disease d. …

How does semi-quantitative RT-PCR measure gene expression? 
By comparing a housekeeping (reference) gene to a target gene of interest on a gel, it is possible to measure gene expression. How is this possible? …

The two codons for cysteine UGU and UGC can both be translated by a single tRNA. Write the 5' to 3' sequence of the coding strand (sense) of DNA that encodes the anticodon of this tRNA. 
The two codons for cysteine UGU and UGC can both be translayed by a single tRNA. Write the 5' to 3' sequence of the coding strand (sense) of DNA that encodes …

What is the importence of inorganic phosphate in TCA? 
Study Biochemistry Review - Questions and Answers for Biology Exams .

Mary decides to receive GnRH shots. Unknown to Mary, she had a small benign tumor in her ovary that over produced progesterone. 
Explain how this may or may not impact the effectiveness of the GnRH shots(include the basic function of GnrH and what it could do if used as an infertility …

What is the role of multigene families in the genome of multicellular eukaryotes? 
I have no idea what the answer is. Study Evolution .

Biology question on cells and how our bodys operate? 
1. Why are large organisms (like horses, humans, etc.) made of small cells instead of a few large ones? Why is the small size important? 2.The brain …

What are dictyosomes? 
I did some research and found out it is the Golgi apparatus in plants.Is it correct?I just wanted to be Sure...Thank u!!:) Here some more info: http://en.wikipedia.org …

How many gametes can be formed from these allelic pairs AaBbCc (and enumerate them)? 
Click on post comments to answer. Read our review pages on Genetics.

What is the relationship between the sun, seasons and the geographic lines indicating the Tropics, the equator, the arctic and Antarctic circles? 
Click on post comments to answer. For studying more than 1800 Bioloqy questions correctly answered download our ebook .

Which of the following is not true of diffusion? 
A. application of pressure increases the rate of diffusion b. Higher temperature results in a faster rate of diffusion c. The solubility of the solute …

Why all seeds of a papaya fruit do not grow into plants? 
Why all seeds of papaya fruit don`t grow into plants?

What is the menopause? 
I want to know what it is and what hormones are involved etc. Symptoms? Treatments? Why it happens?

What is the zone of inhibition of disinfectants or antibacterial products?  
for the following products: 1.sulight dish washing liquid 2.harpic 3.jeyes 4.duck(cleaning product) or if you have more its ok Thanks.

What is the internal structure of stem? 
Click on post comments to answer.

Pluricellular stands for what? 
Click on post comments to answer.

How is regulation of blood pressure achieved? 
Click on post comments to answer.

How is the ATP yield from anaerobic respiration derived? 
Oxidative phosphorylation? Reduction of pyruvic acid? Derived from glycolysis? Click on post comments to answer.

Where is energy from CO2 turned into sugars? 
Click on post comment to answer.

Would the five basic taste sensations be sufficient to distinguish all the different flavors of food? 
The Five basic taste sensations being: sweet, sour, bitter, salty, and savory (hearty). Thanks. Ivana

Which element is obtained from water and utilised during photosynthesis to produce glucose? 
An element used in order to make glucose through photosynthesis with an element ion water...

In a chloroplast, the stacks of membranous sacs are called? 
Grana is part of the thykaloid. Each stack of thykaloid (the individual disks) are called grana. Cristae are those twisted, curving-shaped inner membranes …

What are the roles of platyhelminthes in fresh water? 
What do platyhelminthes do in fresh water habitat?

The plasma membrane is semi-permeable and acts as what? 
Barrier to prevent the leak of substance from cell; as a barrier to prevent substance from extracellulae environment.

What are the steps of breaking down ATP? 
I need to know this for my test tomorrow. Read: Cell Respiration .

What type of system is used to move the body? 
Study our review about the Musculoskeletal System under Physiology.

What is an example of interspecies competition? 
Read our review on Ecological Interactions under Ecology.

Why is bacteria economically important? 
Visitor's comment: Bacteria is economically important because they recycle nutrients and help in making food and medicines and they also convey atmospheric …

What does the human respiratory system consist of? 
Read our review about the Respiratory System under Physiology.

When Darwin returned from the voyage of the Beagle, what did he do about his ideas of evolution? 
--- Read our review on Evolution. Click on post comments to answer. For a complete review of all basic Biology subjects, download our full …

Why are specialized terms needed to indicate different positions and directions of the body parts? And how would you give an example 
Good question. Example: Anterior side of the leg, posterior side of the leg. --- Click on post comments to answer. For a complete review …

Nematodes evolutionary milestone... 
Click on post comments to answer. --- For a complete review of all basic Biology subjects, download our full book (more than 400 pages) with …

What are the precursors that make up macromolecules? 
(Polymers.) --- Click on post comments to answer.

How can different species share the same habitat and reduce competition? 
By having different niches. Read Ecological Interactions . Click on post comments to answer.

What is the function of filament severing? 
Related page: Cytoskeleton . Click on post comments to answer.

What are the types of natural selection? 
Click on post comments to answer.

Which organ is capable of doing diastole and systole? 
Click on post comments to answer. Read: Arthropods .

How do plants and animals function? 
Click on post comments to answer. Read Cell Biology .

What are the steps of the scientific method? 
Click on post comments to answer.

What is the purpose of the eyelash on a fetal pig? 
To help with the development of the eye. --- Click on post comments to answer.

How does an x-linked disorder happen? 
Related review: Sex-linked Inheritance .

What is science? 
Click post comments to answer.

Between which germ layers in the roundworm's psuedocoelom located? 
Study our review on roundworms: Nematoda .

What is the ecological role of weeds? 
Weeds provide colonization for other plants to grow. They provide weathering of the soil to return nutrients and to rocks to make room for other organisms …

What is the the biggest squid in the world? 
Related review: Molluscs .

What is unbalanced karyotype disorder? 
You can study here: Karyotype .

Which acids are released in the stomach? 
Read the review about the Digestive System .

How did the postman butterfly get its name? 
Related review: Arthropods .

What are thermophiles? 
Thermophiles are small microorganisms that thrive in hot conditions; they can be found in extremley hot places and there are other types of 'philes'.

What is the effect of gravity on plant growth? 
Study this review: Plant Physiology .



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