In order for ATP synthesis to occur what must happen in the inner membrane of the mitochondria? Plz use suggestions, only one is correct! NADH and FADH2 must gain electrons from carrier proteins. ATP must give up phosphate groups.
Oxygen must give up electrons to ATP.
NADH and FADH2 must give up electrons that pass along carrier proteins.

At the inner mitochondrial membrane, a high energy electron is passed along an electron transport chain. The energy released pumps hydrogen out of the matrix space. The gradient created by this drives hydrogen back through the membrane, through ATP synthase.

Explanation:

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