List of top Biochemistry Questions

A group of contiguous nucleotide codons in DNA molecule that does not include a termination codon is called:

A series of overlapping clones defining an uninterrupted section of a genome is called:

When a protein has two or more polypeptide subunits, their folding arrangement is called:

Which of the following statements are correct?(A) DNA microarray is a collection of DNA sequences immobilized on a solid surface that can be probed by hybridization.
(B) Differential centrifugation describes the separation of cell organelles by different rates of sedimentation.
(C) Amino acids that cannot be synthesized by humans but are synthesized by microbes are called essential amino acids.
(D) Equilibrium constant is specific for each chemical reaction.
Choose the correct answer from the options given below:

In cytosol, the product yield from the oxidation of one molecule of glucose is:

An antigenic determinant to which a given antibody binds is called:

Which of the following is used in protein classification?

The number of enzyme units per milligram of total protein is called:

The energy derived from noncovalent interactions between enzyme and substrate is called:

Liver failure is commonly caused by which condition?

Hyponatremia is a condition where the concentration of the following ion decreases below normal level in plasma:

What is the rate of mortality in acute liver failure?

From the following data, identify the correct pH value of sea water:

A sequence in an mRNA that is required for binding bacterial ribosomes is called:

Match List I with List II

List I	Ion Channel Defects	List II: Disease
A	Na+	(i) Polycystic kidney disease
B	Ca2+	(ii) Generalized epilepsy
C	K+	(iv) Dominant deafness
D	Cl-	(iii) Cystic fibrosis

Choose the correct answer from the options given below:

Of the following pH values, which one is the lowest?

A substance that can act either as a base or an acid is called:

Match List I with List II

List I	Protein Name	List II Molecular Weight (kDa)
A	β-galactosidase	(i) 14.4
B	Bovine Serum Albumin	(ii) 116.25
C	Ovalbumin	(iii) 45
D	Lysozyme	(iv) 66.2

Choose the correct answer from the options given below:

A mutation in the GLA (alpha-galactosidase A) gene leads to which of the following conditions?

A genetic mutation that limits the production of glucocerebrosidase, an enzyme responsible for breaking down fats, leads to which of the following diseases?

Match List I with List II:

List I	Condition/Structure	List II Description
A	Hypokalemia	IV. Potassium
B	Hypocapnia	II. CO2
C	Sudoriferous glands	I. Sweat glands
D	Sertoli cells	III. Spermatogenesis

Choose the correct answer from the options given below:

Hungry bone syndrome is associated with:

The step in an enzymatic reaction of a pathway that needs greatest amount of activation energy is called:

Enzymes that play two distinct roles, one catalytic and the other regulatory or structural, are called:

The most abundant monosaccharide in nature is: