Which of the following best describes the function of the coenzymes NAD+ and FAD in eukaryotic cellular respiration?
(A) They participate in hydrolysis reactions by accepting protons from water molecules.
(B) They participate directly in the phosphorylation of ADP to ATP.
(C) They serve as final electron acceptors in the electron transport chain.
(D) They accept electrons during oxidation-reduction reactions.
Ans: (D) They accept electrons during oxidation-reduction reactions.
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