What is the role of oxygen in aerobic respiration?
A) It is formed from the oxidation of water at the beginning of the electron transport chain.
B) It flows through the electron transport chain, losing energy.
C) It is reduced at the end of the electron transport chain, forming water.
D) It is necessary to obtain any ATP from glucose.
E) It flows down its concentration gradient through an ATPase to produce ATP.

Question

Quizplus · Accepted Answer

The oxygen used in cellular respiration accepts electrons at the end of the electron transport chain and is reduced to form water.

What Is the Role of Oxygen in Aerobic Respiration