In which direction does the proton gradient d | vedclass

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(B) During the light reaction of photosynthesis,protons ($H^+$ ions) are accumulated in the thylakoid lumen.This accumulation occurs due to the photol

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From the stroma to the thylakoid lumen

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(B) During the light reaction of photosynthesis,protons ($H^+$ ions) are accumulated in the thylakoid lumen.This accumulation occurs due to the photolysis of water $(H_2O \rightarrow 2H^+ + 1/2O_2 + 2e^-)$ inside the lumen and the pumping of protons from the stroma into the lumen by the cytochrome $b_6f$ complex.As a result,the concentration of protons becomes much higher inside the thylakoid lumen compared to the stroma.This creates a proton gradient across the thylakoid membrane,where the gradient is directed from the stroma to the thylakoid lumen.

In which direction does the proton gradient develop in the chloroplast?

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