What is the primary function of NADH?

A. It serves as a shuttle for hydrogen ions.
B. It catalyzes the breakdown of glucose.
C. It transfers oxygen molecules.
D. It stores energy for ATP synthesis.



Answer :

Final answer:

NADH is an electron carrier essential for cellular respiration and ATP synthesis.


Explanation:

NADH is an electron carrier that plays a crucial role in cellular respiration by carrying two high-energy electrons from glycolysis or the citric acid cycle to the electron transport chain, where ATP is synthesized.


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