MDCAT Biology MCQ #529

During oxidative phosphorylation, a high concentration of protons is established in a specific compartment to drive ATP synthesis. Name this compartment.

MDCAT Biology MCQ #529

  1. Question 1

    Q1. During oxidative phosphorylation, a high concentration of protons is established in a specific compartment to drive ATP synthesis. Name this compartment.

    • A) Intermembrane space
    • B) Mitochondrial matrix
    • C) Cytoplasm
    • D) Thylakoid lumen

    Answer: Intermembrane space

    Explanation: Protons are pumped into the intermembrane space, creating a gradient. The matrix has a lower concentration of protons during this process.