Biochemistry Questions
Asked by Users

Can a primary structure determines cloning? 
To clone and sequence the DNA that encodes a particular protein. Study Nucleic Acid .

How are genes and proteins related? 
Read Protein Synthesis Made Easy .

What is enzyme inhibition? 
Read Enzyme Activity .

What are the functions of DNA? 
Study Nucleic Acid .

Give example of biological catalyst important to pharmacy and significance. 
Study Enzyme Activity .

Biological importance of lipids. 
Read Fat Review - Lipids Explained on Biology Questions and Answers .

What aspects of the composition of an enzyme allows it to retain its structure? 
Study Enzyme Activity .

What happened to the heat that was not "captured" by the water? 
Study Water Properties .

True or false: A hydrogen atom of 1 water molecules binds via a hydrogen bond to a hydrogen atom of another water molecule. 
Study Biochemistry Review - Questions and Answers for Biology Exams .

Describe the relationship between the spatial structure of protein and its functions.  
Study Protein Structure .

Why small molecules GLP-1 positive allosteric modulators showed effect in db/db mice but did not show any effect in c57 mice? 
Why small molecules GLP-1 positive allosteric modulators showed effect in db/db mice but did not show any effect in c57 mice.

What amount of catalyst is consumed in the reaction it catalyzes? 
Study Enzyme Activity .

How is energy in a molecule released? 
Study Biochemistry Review - Questions and Answers for Biology Exams .

What is important to keep electrolytes balance in our body? 
Without an adequate amount of mediators, cofactors , and electronic charges in the membrane is impossible to dispon properly of the substrates necessaries …

Formula for water, carbon, dioxide, glucose, oxygen. 
Water :H2O Carbon Dioxide :CO2 Glucose :C6H12O6 Oxygen :O

What happens when a suitable substrate binds to an enzyme? 
Study Enzyme Activity .

Did the mutations result in a change in the final proteins? If so, describe the change. 
This question came as a result of an amino acid encoding process where tRNA and mRnA were combined. Read Protein Structure .

What is an inactive enzyme? 
It does not increase the rate of chemical reaction. Read Enzyme Activity .

What elements are present in aspartame? 
Read Carbohydrates Properties Review from Biology Questions and Answers .

What are the common isomers of glucose? 
manose, fructose, galactose, glucose... Read also Carbohydrates Properties Review from Biology Questions and Answers .

What forms a base pair with Thymine? 
Study Nucleic Acid .

Give the proper explanation about types of enzymes, with examples. 
Read Enzyme Activity .

Is there a method of DNA isolation from plant cell? 
Study Nucleic Acid .

Which type of organic substance is estrogen? 
If it is a protein, carbohydrate, etc. Study Fat Review - Lipids Explained on Biology Questions and Answers .

Which of the folowing is an amino acid? 
A. C27H45OH B. C12H22O11 C. C11H12N2O2 D.C40 h80NO8p

A molecule shaped like a spiral staircase (double helix) is typical of? 
Study Nucleic Acid .

If you have a sequence of polar amino acids, do you think it is going to fold on itself just as a sequence of non polar amino acids to hide the non polar R groups?  
Just interested how a sequence of only polar amino acids would behave. Thanks Read: Protein Structure .

Explain how carbohydrates placed in orange juice can be digested 
Study Digestion System .

What type of molecules have Orange juice, Celery, Cranberries, egg white and table sugar? 
Study Biochemistry Review - Questions and Answers for Biology Exams .

What is the role of vitamins and minerals in carbohydrates, lipids and protein utilization? 
Study Biochemistry Review .

What is denaturation of proteins? 
Read Protein Structure .

In the nucleic acid there are present nitrogen bases then why we not write nucleic base instead of nucleic acid? 
Study Nucleic Acid .

What area the enzymes that act speeding up chemical reactions? 
Study Enzyme Activity .

Among the groups which make a typical amino acid, which one imparts the unique characterictics to a molecule and to the proteins that contain it? 
The groups to select from are as follows: A. A carbon B. Amino Group C. Carboxyl Group D. Variable R Group E. A hydrogen atom I've been unsuccessful …

Briefly describe how the enzyme act on the substrates lower activation energies. 
Study Enzyme Activity .

What is partially hydrogenated vegetable oil? 
Study Fat Review - Lipids Explained on Biology Questions and Answers .

The pH scale is a mathematical indicator of _______. 
The pH scale is a mathematical indicator of _______.

Give the properties of water responsible for controlling the temperature of human body 
Study Water Properties .

What do salty solutions do to enzymatic activity?  
Enzymes are chemical catylists in the body. Study Enzyme Activity .

What type of bond involves the sharing of electrons? 
This is Chemistry.

What process takes place when a molecule of fructose combines with a molecule of fructose to form sucrose? 
Study Carbohydrates Properties Review from Biology Questions and Answers .

What are the building blocks of complex carbonhydrates? 
Read: Carbohydrates Properties Review from Biology Questions and Answers

How can catalytic activity be changed? 
E.g. Phosphorylation, proteolysis etc.

How many times thicker is a fully condensed chromatid than a DNA double helix? 
Can you help?

What elements do all organic compounds contain? 
organic compounds

Which types of cells utilize deoxyribonucleic acid as their genetic material but do not have DNA encased within a nuclear envelope?  
Archea?

What chemical substance is formed from the removal of water from fat? 
Lipids

Among distilled water, 5% HCl, %5 NaOH, ether, Ethyl alcohol, and n-hexane, which solvent do fats have the greatest solubility? 
Is it n-hexane?

What are the motor proteins, for example, kinesin and dynein? 
One of the function of cytoskeleton is movement. What are the motor proteins for example, kinesin, and dynein?

What is the role of water in ionization of cells? 
When the cell is negatively charged at the inside and then positive at the outside.

How is a polymer made? 
With positive ions?

How you would show the effect of temperature on chemical reaction that is catalyzed by an enzyme? 
Click on post comments to answer. Read our review on Enzymes.

How biomolecules perform they work in our body? 
biomolecules like corbohydrates,proteins,lipids and fats

How could you determine the correct temperature range, salt concentration, and pH for a specific enzyme? 
Click on post comments to answer.

What is catalase? 
Where is it found specifically? What is its function in relation to the human body? what is it? Why is it important? What is its function in general?

How are the polypeptide parts different from the heme parts? 
Click on post comments to answer. Read our review pages on Biochemistry.

What is the role of hydrogen bonding in lipids? 
Click on post comments to answer. Read our page on lipids under Biochemistry.

Is it necessary that amino acids binding will always form a protein? 
I think it is wrong.

With reference to examples of specific proteins, explain how secondary, tertiary and quaternary structures can influence protein function? 
Secondary, tertiary and quaternary structures of proteins are spatial structures. If they were to undergo denaturation, that would make the protein biologically …

What are some cost-effective experiments to illustrate the scientific method, the chemistry of life, and the properties of water? 
I have used the penny experiment to illustrate adhesion and cohesion in water.

What is the diferences between phosphorylation, oxidative phosphorylation and substrate level phosphorylation? 
phosphorylation,oxidative phosphorylation and substrate level phosphorylation

What are the most common constituents of organic compounds? 
C,H,O,N,P.

Why is iodine important for human beings? 
Click on post comments to answer.

How amino acids are grouped? 
Click on comments below to answer.

Why Aalosteric enzymes do not obey Michaelis-Menten kinetics? 
Allosteric enzymes do not obey Michaelis-Menten kinetics. The reason for this is that allosteric enzymes must account for multiple active sites and multiple …

What are the two main roles of enzymes? 
The mechanisms of enzyme action.

What is the difference between specific activity and total activity of enzyme? 
?

What happens when the cofactor concentration is varied and enzyme concentration is kept constant? 
In the competition inhibition reaction.

What occurs when an increase in substance inhibits the process that produced the substance? 
feedback

What are the examples of inorganic substances? 
Organic substances

Which enzyme acts on pH 2? 
trypsin or pepsin

Shall energy be recycled or not ? 
yes

Relate the biological importance of water to its peculiar characteristics by stating concrete examples in nature? 
water as a solvent? high heat capacity? high heat of vapourisation? high heat of fussion? density and freezing properties? high surface tension and …

Describe an experiment to show that developing pine apples contain enzymes that digest proteins? 
no idea of any answer

Why solving protein structure is important? 
I am studying unknown lipoproteins from a human pathogen.It is considered as a potential virulence factors.I am working in a lab which does X-ray crystallography. …

What is the simplest chemical substance that cannot be broken down? 
a. compound b. atom c. element d. hydrogen

Describe the structure of hydrogen, carbon, oxygen and nitrogen and relate these to the structure of biological molecules. 
Describe the structure of hydrogen, carbon, oxygen and nitrogen and relate these to the structure of biological molecules.

Are ions responsible for enzyme activities? 
?

What are the differences between oxidation and reduction? 
1.Addition of oxygen atom is called oxidation. 2.Removal of oxygen atom is called reduction.

When an enzyme is cooled is that called denaturation? 
Yes?

What are the differences between DNA and collagen protein? 
Five differences are needed, in terms of their structures, functions, or anything else.

Why proteins are diverse, complex nitrogenous compound with several biological functions? 
I need someone to do it for me please.

What is the difference between enzyme activator and enzyme inhibitor? 
?

Most of the gases in Earth's atmosphere probably came from what source? 
I don't know this answer.

How is the quaternary structure of proteins important? 
Proteins.

Does actually water compose around 60% of our body? 
Water is vital for our body.

What substance is oxidized in this equation? 
This is the equation: C6H1206 + H20 + 6 C02 + energy

Why starch is insoluble in water? 
Starch,a homopolysaccharide is insoluble in water due to the presence of larger macromolecules.

What is DNA's primary function? 
This is a question on one of my review papers for Biology. Read our review on Nucleic Acids . Click on post comments to answer.

What is the molecule that carries out instructions coded in DNA? 
Guanine Uracil Thymine RNA Click on post comments to answer.

What will prevent enzymes from functioning properly? 
Click on post comments to answer.

What does an enzyme do? 
Click on post comments to answer.