Select the correct answer.

Which product of the electron transport chain reenters the Krebs cycle?

A. ATP
B. COA
C. NAD+
D. NADH
E. pyruvate



Answer :

Final answer:

NADH is the product of the electron transport chain that reenters the Krebs cycle.


Explanation:

NADH reenters the Krebs cycle after being produced during the citric acid cycle. NADH, a reduced coenzyme, is oxidized back to NAD+ in the electron transport chain, where it plays a crucial role in the production of ATP from ADP.


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