List of top Biochemistry Questions asked in GAT-B

Which of the following is a structurally independent three-dimensional unit associated with a particular functional role?
How much protein will you need to make 100 microlitres of 15 micromolar solution of a 95 kDa protein?
Which of the following is a heteropolysaccharide?
Match List I with List II and choose the correct answer.
The structural gene lac A in the Lac operon is responsible for
Match List I with List II
Choose the correct answer from the options given below:
Which of the following is generally NOT a primary metabolite?
The conversion of FAD to FADH$_2$ is a
Match List - I with List - II.
Choose the correct answer from the options given below:
The reactive functional group in coenzyme Q is
The deficiency of which vitamin in the body causes Pernicious Anaemia?
The melting point of fatty acids in plant derived oils is influenced by:
Which one of the following are Professional Antigen Presenting Cells?
Which of the following amino acids are both glucogenic and ketogenic?
A. Isoleucine, B. Serine, C. Tryptophan, D. Proline, E. Phenylalanine
What is the advantage of using the neo gene to disrupt the function of a gene in knockout mice?
Match items in List I with items in List II
List I: A. Inactivated Vaccines, B. Live attenuated Vaccines, C. Conjugate Vaccines, D. Toxoid Vaccines
List II: I. Poisonous protein, II. Killed pathogen, III. Weakened pathogen, IV. Weak antigen coat + carrier protein
The selection of cells whose T-cell receptors respond to self-MHC is known as:
The primary function of the class I and class II MHC molecules is:
NK cells are immunologically significant as they recognize and kill:
Match items in List I with items in List II
List I: A. Cytochrome oxidase, B. DNA polymerase, C. Nitrate reductase, D. Urease
List II: I. Molybdenum, II. Nickel, III. Magnesium, IV. Copper
Identify the statement that is NOT applicable to enzyme catalyzed reaction.
At the time of completion of protein synthesis, the sequence in which they leave the ribosome is:
A mutant bacterial cell has a defective aminoacyl synthetase that attaches a lysine to tRNAs with the anticodon AAA instead of the normal phenylalanine. During protein synthesis:
Assertion A: Inhibition of succinate dehydrogenase by malonate represents competitive inhibition.
Reason R: Malonate and succinate bind at different sites of the enzyme.
Given below are two statements:
Statement I: Activation energy is the difference between the energy level of substrate and its transition state.
Statement II: Enzymes increase the activation energy enhancing the rate of reaction.