Multiple choice

What is the main function of ATP synthase?

  1. To transfer high - energy electrons to NADPH carriers

  2. To form NADPH

  3. To form ADP

  4. To create a concentration gradient converting protons to ATP
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D Correct answer
Explanation

ATP synthase is a membrane-bound enzyme complex that utilizes the energy stored in a proton concentration gradient. As protons flow down their gradient through the enzyme, this mechanical energy is converted into chemical energy to synthesize ATP from ADP and inorganic phosphate.

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