Which of the Following Is the Best Definition of Oxidative

Multiple Choice

Which of the following is the best definition of oxidative phosphorylation?

A) Electrons are passed through a series of carriers to O₂.
B) A proton gradient allows hydrogen ions to flow back into the cells through transmembrane protein channels,releasing energy that is used to generate ATP.
C) ATP is directly transferred from a substrate to ADP.
D) Electrons are passed through a series of carriers to an organic compound.