what-is-the-primary-role-of-the-electron-transport-chain-in-cellular-respiration

Question

What is the primary role of the electron transport chain in cellular respiration?

Accepted Answer

To create a proton gradient used for ATP synthesis.

Answer

To transport oxygen into the mitochondria.

Answer

To break down glucose into pyruvate.

Answer

To directly synthesize ATP from ADP and inorganic phosphate.