Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

What molecule is the final electron acceptor in the mitochondrial electron transport chain?
Options
A NAD+
B FAD
C Oxygen
Correct Answer
D Carbon dioxide
Correct Answer

Option C is the correct answer.

Detailed Explanation

Oxygen (O2) is the final electron acceptor at the end of the electron transport chain. It combines with electrons and hydrogen ions to form water (H2O).

Hint

This is why the process is called *aerobic* respiration.

Question Info