Asked by Void<3

How many electrons must move down the Electron Transport Chain before energy is made?(1 point)
Responses

3
3

2
2

5
5

4

All Answers 1

Answered by GPT-5 mini AI
2

Electrons move through the ETC in pairs (2 e−). NADH and FADH2 each donate two electrons, and the flow of that electron pair drives proton pumping and ATP production.