MDCAT Biology MCQ #338

The inner membrane of a mitochondrion is folded into cristae primarily to:

MDCAT Biology MCQ #338

  1. Question 1

    Q1. The inner membrane of a mitochondrion is folded into cristae primarily to:

    • A) Store large amounts of DNA
    • B) Facilitate glycolysis
    • C) Decrease the volume of the matrix
    • D) Increase surface area for electron transport

    Answer: Increase surface area for electron transport

    Explanation: Cristae increase the surface area for respiratory enzymes. The outer membrane is tempting because it encloses the entire mitochondrial organelle.