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Q37. Match the items in Group 1 with those in Group 2 Group 1 Group 2 P. Isotype switching Q. Clonal anergy R. Class II MHC S. Self tolerance 1. […]

Q36. Chymotrypsin and lysozyme are involved respectively in P. Removal of successive carboxyl terminal residues Q. Hydrolytic cleavage of peptide bond R. Cleavage of glycosidic C–O bond S. Oxygen transport […]

Q35. Specific precursor for all prostaglandins is (A) Oleic acid (B) Arachidonic acid (C) Palmitic acid (D) α-Linolenic acid Arachidonic acid is the specific precursor for all prostaglandins. This multiple-choice […]

Q34. A mixture of proteins (W, X, Y, Z) elute from Sephadex G-200 column in the order W, X, Y, Z. The protein with maximum electrophoretic mobility on SDS-PAGE will […]

Q33. Lineweaver–Burk plot is a plot of (A) 1/v0 vs 1/[S] (B) v0 vs [S] (C) v0 vs 1/[S] (D) 1/v0 vs [S] Introduction In enzyme kinetics, graphical methods are […]

Q32. Approximate molecular weight (kDa) of the product after translation of a 390 bases mRNA will be (A) 48 (B) 26 (C) 39 (D) 14 To solve this GATE Life […]

Q31. One of the following compounds is NOT a neurotransmitter (A) Dopamine (B) Glutamic acid (C) Histidine (D) Glycine Answer: (C) Histidine Histidine is not a neurotransmitter, while the others […]

Q30. Amino acids responsible for N-linked and O-linked glycosylation of proteins are (A) Asparagine and Aspartic acid (B) Glutamine and Serine (C) Glutamic acid and Serine (D) Asparagine and Threonine […]

Q29. A DNA-binding motif is (A) Helix-loop-helix (B) Helix-turn-helix (C) Helical wheel (D) Loop-helix-loop Correct Answer: (B) Helix-turn-helix The helix-turn-helix (HTH) motif is the classic DNA-binding motif in transcription factors, […]

Q28. Positive selection of T cells ensures (A) MHC restriction (B) Self tolerance (C) TCR engagements (D) Activation by co-stimulatory signal Positive selection of T cells primarily ensures MHC restriction […]