Biochemistry In Biotechnology — Part 2 MCQs with Explanations

P, Q and R is the correct answer to “Which of the following strategies are used by cells for metabolic regulation? P. Phosphorylation-dephosphorylation Q. Allostery R. Feedback inhibition”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

Protein folding is the correct answer to “Levinthal's paradox is related to”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

KM will remain the same but Vmax will increase is the correct answer to “An enzymatic reaction exhibits Michaelis-Menten kinetics. For this reaction, on doubling the concentration of enzyme while maintaining [S] >> [E 0 ],”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

Hydrogen bonds are weaker than van der Waals interactions is the correct answer to “In general, which one of the following statements is NOT CORRECT”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

Enzymes affect ΔG, but not Keq is the correct answer to “Which one of the following statements is CORRECT for enzyme catalyzed reactions? ( ΔG is Gibbs free energy change, K eq is equilibrium constant)”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

Across the inner membrane of mitochondria and across the thylakoid membrane of chloroplast is the correct answer to “ATP biosynthesis takes place utilizing the H + gradient in mitochondria and chloroplasts. Identify the correct sites of H + gradient formation.”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

Decreasing the activation energy of the reaction is the correct answer to “An enzyme catalyzes a reaction by”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

P-3, Q-1, R-4, S-2 is the correct answer to “Match the entries in Group I with the enzymes in Group II . Group I Group II P. NAD + 1. Glutathione peroxidase Q. Selenium 2. Nitrogenase R. Pyridoxal phosphate 3. Lactate dehydrogenase S. Molybdenum 4. Glycogen phosphorylase”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

Total moles is the correct answer to “Which one of the following need NOT be conserved in a biochemical reaction”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.

Cys and His is the correct answer to “In zinc finger proteins, the amino acid residues that coordinate zinc are”. This question is standard in competitive examination syllabi for Biochemistry In Biotechnology.