Multiple Choice
In oxidative phosphorylation, what is the primary purpose of the electron transport chain (ETC) in the inner mitochondrial membrane?
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Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation
Oxidative Phosphorylation 1
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In oxidative phosphorylation, what is the primary role of NADH?
A
It transports oxygen from the cytosol into the mitochondrial matrix to support respiration.
B
It directly phosphorylates ADP to ATP by transferring a phosphate group.
C
It serves as the terminal electron acceptor, combining with electrons and protons to form water.
D
It donates high-energy electrons to Complex I of the electron transport chain, helping drive proton pumping across the inner mitochondrial membrane.
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