The Q cycle refers to flow of electrons from A) NADH to coenzyme Q via Complex I. B) FADH₂ to coenzyme Q via Complex II. C) coenzyme Q to cytochrome c via Complex III. D) coenzyme Q to NADH.

Question

Quizplus · Accepted Answer

The Q cycle is the transfer of electrons from coenzyme Q (also known as ubiquinone) to cytochrome c via Complex III in the electron transport chain. This cycle generates the proton gradient used to produce ATP. Options A, B, and D do not accurately describe the Q cycle.

The Q Cycle Refers to Flow of Electrons from