Complex I of the electron transport chain oxidizes ____, reduces ____, and ____ protons in the process. A) FADH₂; coenzyme Q; doesn't pump B) FADH₂; coenzyme Q; pumps C) NADH; coenzyme Q; doesn't pump D) NADH; coenzyme Q; pumps

Question

Quizplus · Accepted Answer

Complex I of the electron transport chain oxidizes NADH, reduces coenzyme Q (ubiquinone), and pumps protons across the mitochondrial membrane, contributing to the proton gradient used for ATP synthesis.

Complex I of the Electron Transport Chain Oxidizes ____, Reduces