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Biology · PYQ NEET UG 2022

हिन्दी

Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves: Which of the above statements is/are NOT correct?

  1. Movement of protons across the membrane to the stroma
  2. Reduction of NADP to \( \text{NADPH}_2 \) on the stroma side of the membrane
  3. Breakdown of proton gradient
  4. Breakdown of electron gradient

Correct answer · Option 4

Breakdown of electron gradient

Explanation

Chemiosmosis relies on the breakdown of a proton (hydrogen ion) gradient across the thylakoid membrane, not an electron gradient.

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