MDCAT Biology MCQ #1667

An electron micrograph of a mitochondrion shows numerous inner membrane folds that maximize the site for aerobic respiration and ATP production.

MDCAT Biology MCQ #1667

  1. Question 1

    Q1. An electron micrograph of a mitochondrion shows numerous inner membrane folds that maximize the site for aerobic respiration and ATP production.

    • A) Cristae
    • B) Matrix
    • C) Outer membrane
    • D) Intermembrane space

    Answer: Cristae

    Explanation: Cristae increase surface area for the electron transport chain; the matrix is tempting but is the fluid-filled interior space.