In non-cyclic photophosphorylation,how many p | vedclass

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(A) In non-cyclic photophosphorylation,the photolysis of water occurs at the oxygen-evolving complex $(OEC)$ associated with Photosystem $II$. The rea

Vedclass · Accepted Answer

$4$

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(A) In non-cyclic photophosphorylation,the photolysis of water occurs at the oxygen-evolving complex $(OEC)$ associated with Photosystem $II$. The reaction for the photolysis of $2$ molecules of $H_2O$ is: $2H_2O \rightarrow 4H^+ + O_2 + 4e^-$. This process releases $4$ protons $(H^+)$ directly into the thylakoid lumen. Additionally,the electron transport chain contributes to the proton gradient,but the specific protons released due to the splitting of $2$ water molecules is $4 H^+$.

In non-cyclic photophosphorylation,how many protons $(H^+)$ are released into the lumen of the thylakoid for the photolysis of $2$ molecules of $H_2O$ (in $H^+$)?

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