NADH is a coenzyme that is involved in many redox reactions, serving as an electron carrier. Its oxidized form, NAD+, can accept a pair of electrons and a hydrogen ion to become NADH. This conversion plays a key role in cellular respiration and other metabolic pathways. Choices B, C, D, and E are incorrect as they do not accurately describe the function or properties of NADH.

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NADH

Question 8

Multiple Choice

NADH

A) is a key electron carrier in redox reactions.
B) requires O₂ to function.
C) is found only in prokaryotes.
D) binds with an acetyl group to form acetyl CoA.
E) detoxifies hydrogen peroxide.

Correct Answer: