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Q47. A population growing exponentially can be described by the differential equation dN/dt = rN, where dN/dt represents the rate of population growth, N is the size of the population, […]

Q46. When changes in the phenotype or gene expression occur without changes in the underlying DNA sequence, the phenomenon is called (A) Mutation (B) Eugenics (C) Epigenetics (D) Epistasis The […]

Q45. Match the metabolic pathways in Group 1 with the corresponding enzymes in Group 2 Group 1 Group 2 P. β-Oxidation Q. Glycolysis R. Gluconeogenesis S. Calvin cycle 1. Ribulose […]

Q44. The metabolic disorders, Alkaptonuria and Phenylketonuria are caused by defects in the enzymes P. Glucose-6-phosphatase Q. Phenylalanine hydroxylase R. Homogentisate 1,2-dioxygenase S. Tyrosinase (A) Q, R (B) P, R […]

Q43. Match the proteins in Group 1 with their correct functions in Group 2 Group 1 Group 2 P. Shaker protein Q. Bacteriorhodopsin R. Porin S. ABC transporter 1. Inner […]

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 […]