MDCAT Biology MCQ #229

During chemiosmosis in chloroplasts, the energy from electron flow is used to pump hydrogen ions into which specific area to create a gradient?

MDCAT Biology MCQ #229

  1. Question 1

    Q1. During chemiosmosis in chloroplasts, the energy from electron flow is used to pump hydrogen ions into which specific area to create a gradient?

    • A) Stroma
    • B) Outer membrane space
    • C) Thylakoid lumen
    • D) Matrix

    Answer: Thylakoid lumen

    Explanation: Protons are pumped into the thylakoid lumen to create a gradient. Option A is wrong as the stroma becomes more alkaline, not acidic.