Which one of the following redox couples has the highest tendency to donate electrons?
Which one of the following redox couples has the highest tendency to donate electrons?
(A) Fumarate / succinate
(B) NAD+^+ / NADH
(C) FAD / FADH2_2
(D) Pyruvate / lactate
Answer
Answer: (B) NAD+^+ / NADH
Explanation:
NADH has a strong tendency to donate electrons, making the NAD+^+/NADH redox couple the most efficient electron donor among the options listed.