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GATE General Biology: Biochemistry: Biomolecules, biological membranes, channels and pumps, molecular motors, action potential and transport – Previous Year Questions

15 GATE previous year questions on Biochemistry: Biomolecules, biological membranes, channels and pumps, molecular motors, action potential and transport (General Biology, Biotechnology) with answers and explanations, from every paper.

  1. GATE 2021 BT Q24 (1 mark, Multiple choice) – A protein without its prosthetic group is known as
  2. GATE 2021 BT Q47 (2 marks, Multiple select) – Which chemical messengers are derivatives of tryptophan?
  3. GATE 2022 BT Q15 (1 mark, Multiple choice) – The binding free energy of a ligand to its receptor protein is −11.5 kJ mol-1 at 300 K. What is the value of the equilibrium binding constant? Use R =…
  4. GATE 2022 BT Q22 (1 mark, Multiple choice) – Terpenoids are made of units
  5. GATE 2022 BT Q42 (2 marks, Multiple choice) – Which of the following are CORRECT about protein structure? P. Secondary structure is formed by a repeating pattern of interactions among the…
  6. GATE 2023 BT Q50 (2 marks, Numerical answer) – E. coli cultivated at 298 K uptakes an uncharged compound A by passive diffusion. Intracellular and extracellular concentrations are 0.001 M and 0.1…
  7. GATE 2023 BT Q52 (2 marks, Numerical answer) – The number of different possible ways of forming five intramolecular disulfide bonds with ten cysteine residues of a protein is .
  8. GATE 2026 BT Q23 (1 mark, Multiple choice) – Match the carbohydrates in Column I with the correct glycosidic linkages involved in Column II. Column I Column II --- --- P. Amylose 1. (14) Q.…
  9. GATE 2026 BT Q28 (1 mark, Multiple select) – Which of the following drugs inhibit(s) ATP-ADP translocase?
  10. GATE 2026 BT Q39 (2 marks, Multiple choice) – Match the biomolecules in Column I with their function given in Column II Column I Column II --- --- P. Lectins 1. Acts as ATP dependent pump to…
  11. GATE 2025 BT Q18 (1 mark, Multiple choice) – Correctly match the following Monosaccharides with their respective Epimers. Monosaccharide Epimer --- --- P. D-mannose 1. C-3 epimer of D-glucose Q.…
  12. GATE 2025 BT Q24 (1 mark, Multiple select) – Which of the following show(s) optical activity at 100 mM concentration in water?
  13. GATE 2025 BT Q38 (2 marks, Multiple choice) – An octapeptide composed of these L-amino acids – Lys, Thr, Ser, Met, Arg, Trp, Tyr, Glu – was subjected to analyses with the following outcomes: P.…
  14. GATE 2025 BT Q56 (2 marks, Multiple select) – Which of the following amino acids contain(s) two chiral carbons?
  15. GATE 2024 BT Q24 (1 mark, Multiple choice) – An element that is present in a nucleotide but not in a nucleoside is .