In a chloroplast,the highest number of proton | vedclass

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(D) During the light-dependent reactions of photosynthesis,protons $(H^+)$ are pumped from the stroma into the lumen of the thylakoids. This process i

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lumen of thylakoids

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(D) During the light-dependent reactions of photosynthesis,protons $(H^+)$ are pumped from the stroma into the lumen of the thylakoids. This process is driven by the electron transport chain and the photolysis of water. As a result,a high concentration of protons accumulates within the thylakoid lumen,creating a proton gradient across the thylakoid membrane. This gradient is essential for the synthesis of $ATP$ via the enzyme $ATP$ synthase. Therefore,the highest concentration of protons is found in the lumen of the thylakoids.

In a chloroplast,the highest number of protons are found in:

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