Does Chemiosmosis Occur in Photosynthesis and Cellular Respiration?

Yes, chemiosmosis occurs in photosynthesis and respiration. During photosynthesis, chemiosmosis occurs in the chloroplasts, whereas during respiration, chemiosmosis occurs in the mitochondria. Due to chemiosmosis, there is a development of proton gradient across the semipermeable cell membrane, which couples with the synthesis of ATP molecules.

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