34. Proinsulin is an 84 residue polypeptide with six cysteines. How many different disulfide combinations are possible? How Many Different Disulfide Bond Combinations Are Possible in Proinsulin? | Complete Combinatorial […]
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IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Why Is Glucose Stored as Starch Instead of Free Glucose?
33.The advantage(s) of storing chemical energy in the form of starch and not as free glucose is/are that it _____ . (A) minimizes diffusion (B) enables compact storage (C) reduces […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Hemoglobin Oxygen Binding Curve Explained
32.The characteristic oxygen binding profile of hemoglobin shown below arises due to the . (A) quaternary structure (B) subunit dissociation (C) cooperativity (D) conformational change Hemoglobin Oxygen Binding Curve […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Michaelis-Menten Explanation
31.Which one of the following parameters changes upon doubling the enzyme concentration? (A) KM (B) Vmax (C) kcat (D) Keq Which Enzyme Kinetic Parameter Changes When Enzyme […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Isomerization Explained
30. The following reaction is an example of . (A) enolization (B) racemization (C) isomerization (D) epimerization Dihydroxyacetone Phosphate to Glyceraldehyde-3-Phosphate Reaction | Complete Isomerization Correct Answer (C) Isomerization Introduction […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Formation of 1,3-Bisphosphoglycerate
29. The free energy required to synthesize a mixed anhydride bond of 1,3-bisphosphoglycerate is generated by the oxidation of . (A) an aldehyde to acid (B) an alcohol to acid […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Which Peptide Shows the Highest A280?
28.Solutions of the following peptides are prepared separately at a concentration of 1 mM. Among these four, which one has the highest A280? (A) Ser-Val-Trp-Asp-Phe-Gly-Tyr-Trp-Ala (B) Gln-Leu-Glu-Phe-Thr-Leu-Asp-Gly-Tyr (C) Met-Gly-Val-Ileu-Asp-Ser-Ala-Trp-His (D) […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Which Modification Occurs on Both DNA and Proteins?
27. Which one of the following modifications occurs both on DNA and protein? (A) ADP-ribosylation (B) Methylation (C) Sumoylation (D) Ubiquitination DNA and Protein Modification That Occurs in Both Molecules […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
Match Nylon, Natural Rubber, Starch and Myoglobin
26. Match the entries in Group I with the entries in Group II Group I Group II (P) Nylon […]
IIT JAM Biotechnology Previous Year Question paper Topic Biochemistry
At What pH Does Poly-Glu Form an α-Helical Structure?
25. At what pH does poly-Glu in an aqueous solution form α-helical structure? (A) 3 (B) 7 (C) 9 (D) 12 At What pH Does Poly-Glutamate (Poly-Glu) Form an α-Helical […]
