Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

Which of the following best describes the inner mitochondrial membrane's role?
Options
A Protects mitochondrial DNA
B Site of glycolysis
C Houses electron transport chain and ATP synthase
Correct Answer
D Maintains cytoplasmic pH
Correct Answer

Option C is the correct answer.

Detailed Explanation

The inner mitochondrial membrane is highly folded into cristae and contains the protein complexes of the electron transport chain and ATP synthase, which together carry out oxidative phosphorylation.

Hint

This is where the proton gradient is established and ATP is made.

Question Info