The energy source that makes oxidative phosphorylation possible comes from
A) phosphate group transfers from ATP.
B) electrons that are transferred from NADPH.
C) electrons that are transferred from NADH.
D) electrons that are removed from CO₂ during its oxidation.

Question

Quizplus · Accepted Answer

Electrons that are transferred from NADH provide the energy source for oxidative phosphorylation. These electrons are passed through the electron transport chain, which creates a proton gradient that drives ATP synthesis. The energy source is not phosphate group transfers from ATP, electrons from NADPH, or electrons removed from CO₂ during oxidation.

The Energy Source That Makes Oxidative Phosphorylation Possible Comes from