MDCAT Biology MCQ #481

A student views a mitochondrial diagram showing numerous infoldings called cristae. These structures are technically extensions of which specific mitochondrial part?

MDCAT Biology MCQ #481

  1. Question 1

    Q1. A student views a mitochondrial diagram showing numerous infoldings called cristae. These structures are technically extensions of which specific mitochondrial part?

    • A) The inner mitochondrial membrane
    • B) The outer mitochondrial membrane
    • C) The mitochondrial matrix
    • D) The intermembrane space

    Answer: The inner mitochondrial membrane

    Explanation: Cristae are inner membrane folds that increase surface area for ETC; the outer membrane is smooth and lacks these specific folds.