Biochemistry Questions and Answers – Regulation of Oxidative Phosphorylation

This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Regulation of Oxidative Phosphorylation”.

1. The regulation of oxidative phosphorylation depends on ____________
a) Magnitude of ion motive force
b) Magnitude of electron motive force
c) Magnitude of proton motive force
d) None of the mentioned
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2. What is the rate of electron transfer when proton motive force is high?
a) Faster
b) Slower
c) Moderate
d) None
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3. The magnitude of proton motive force depends on ____________
a) Energy charge of cell
b) Permeability of membrane
c) Number of ribosomes in cell
d) None of the mentioned
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4. Where does oxidative phosphorylation take place?
a) Ribosomes
b) Nucleus
c) Mitochondria
d) Cell membrane
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5. In metabolism, NAD is involved in ____________
a) Spontaneous reaction
b) Elimination reaction
c) Redox reactions
d) None of the mentioned
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6. NADP is a cofactor used in ____________
a) Catabolic reactions
b) Anabolic reactions
c) Elimination reaction
d) Redox reactions
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7. What is the proportion of ATP produced by oxidative phosphorylation?
a) 60%
b) 70%
c) 80%
d) 90%
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8. NADP⁺ in its reduced form is ____________
a) NAD
b) NADH
c) NADPH
d) DPH
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9. Products of glucose oxidation essential for oxidative phosphorylation are ____________
a) Pyruvate
b) Acetyl co-A
c) NADPH and ATP
d) NADH and FADH₂
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10. Which effects the increased levels of hydrogen ions in the inter-membrane space of the mitochondria?
a) Increase ATP production
b) Decreased levels of oxidative phosphorylation
c) Increased levels of water in inter-membrane space
d) Decreased levels of chemiosmosis
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Sanfoundry Global Education & Learning Series – Biochemistry.

To practice all areas of Biochemistry, here is complete set of 1000+ Multiple Choice Questions and Answers.