Q. An alternative to glycolysis pathway is

  • (A) Glyoxylate pathway
  • (B) Pentose phosphate pathway
  • (C) Citric acid cycle
  • (D) Gluconeogenesis
πŸ’¬ Discuss
βœ… Correct Answer: (B) Pentose phosphate pathway

Q. Disaccharide molecules that contain β(1→ 4) glycosidic linkage are

  • (A) Sucrose and maltose
  • (B) Sucrose and isomaltose
  • (C) Maltose and isomaltose
  • (D) Lactose and cellobiose
πŸ’¬ Discuss
βœ… Correct Answer: (D) Lactose and cellobiose

Q. The dissociation constant Kd for ligand binding to the receptor is 10-7 M. The concentration of ligand required for occupying 10% of receptors is

  • (A) 10-6 M
  • (B) 10-7 M
  • (C) 10-8 M
  • (D) 10-9 M
πŸ’¬ Discuss
βœ… Correct Answer: (C) 10-8 M

Q. Which one of the following metabolic processes in mammalian cells does NOT occur in the mitochondria?

  • (A) Citric acid cycle
  • (B) Oxidative phosphorylation
  • (C) Fatty acid β-oxidation
  • (D) Glycolysis
πŸ’¬ Discuss
βœ… Correct Answer: (D) Glycolysis

Q. The ΔG° for the oxidation of NADH by FAD is

  • (A) -9.25 kJ mol-1
  • (B) -103.04 kJ mol-1
  • (C) +51.52 kJ mol-1
  • (D) -18.5 kJ mol-1
πŸ’¬ Discuss
βœ… Correct Answer: (D) -18.5 kJ mol-1

Q. If a plant is shifted to cold temperature, which of the following changes would take place in its membrane?

  • (A) Ratio of unsaturated to saturated fatty acids would increase
  • (B) Ratio of unsaturated to saturated fatty acids would decrease
  • (C) Absolute amount of both fatty acids would increase keeping the ratio same
  • (D) Absolute amount of both fatty acids would remain unchanged
πŸ’¬ Discuss
βœ… Correct Answer: (A) Ratio of unsaturated to saturated fatty acids would increase

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