If a plant's chloroplasts are exposed to a substance that inhibits ATP synthase, which consequence follows regarding the light-dependent reactions of photosynthesis?

💡 Explanation

When ATP synthase is inhibited, the proton gradient built up during the light-dependent reactions cannot be used to generate ATP. Therefore, the proton gradient will dissipate prematurely rather than driving ATP production, because protons cannot flow through the ATP synthase channel. NADPH production won't directly be affected.

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