The following figure shows the Z-scheme of th | vedclass

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(B) In the $Z$-scheme of light-dependent reactions,the process begins with the photolysis of water,which provides electrons to $PS-II$. Therefore,$P$

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$PS-II, PS-I$

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(B) In the $Z$-scheme of light-dependent reactions,the process begins with the photolysis of water,which provides electrons to $PS-II$. Therefore,$P$ represents $PS-II$. After the electron transport chain,these electrons are transferred to $PS-I$ to replace the electrons lost during photoexcitation. Therefore,$Q$ represents $PS-I$. Thus,the correct sequence is $P = PS-II$ and $Q = PS-I$.

The following figure shows the $Z$-scheme of the light reaction. What are $P$ and $Q$?

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