Essential Biochemistry - Biological Oxidation (Section 1 - No. 20)
What is the role of the proton gradient in oxidative phosphorylation?
To directly reduce oxygen to water
To drive the movement of electrons through the ETC
To provide the energy for ATP synthesis
To transport NADH and FADH2 into the mitochondrial matrix
Paliwanag
The proton gradient provides energy for ATP synthesis.