Tag: GATE Life Science Previous Year Papers with Solutions

Q42. The rise per residue of α-helix is about 1.5 Å. A protein spans 4 nm bilayer 7 times through its transmembrane α-helical domain. Approximately, how many amino acid residues […]

Q41. Match the parameters in Group 1 with the correct options in Group 2 Group 1 Group 2 P. Km Q. kcat/Km R. pKa S. Ki 1. Catalytic efficiency of […]

Q40. In the two half reactions: Acetaldehyde + 2 H+ + 2 e− → Ethanol     ΔE° = −0.16 V NADH + H+ → NAD+ + 2 H+ + 2 […]

Q39. Match the items in Group 1 with the most appropriate separation techniques in Group 2 Group 1 Group 2 P. Mixture of glycine and albumin Q. Mixture of 20 […]

Q38. Multiple RNA polymerase transcribes a DNA template, unwinding about 1.5 turns of DNA template per transcription bubble. From the structural information of classical B-DNA, how many transcription bubbles are […]

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 […]