The first electron acceptor molecule from P_{ | vedclass

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Question

(C) In the $Z$-scheme of light reaction,$P_{700}$ (Photosystem $I$) absorbs light and gets excited,releasing electrons. These electrons are first acce

Vedclass · Accepted Answer

$FeS$ protein/Ferredoxin

Vedclass · Answer

(C) In the $Z$-scheme of light reaction,$P_{700}$ (Photosystem $I$) absorbs light and gets excited,releasing electrons. These electrons are first accepted by an $FeS$ (Iron-Sulfur) protein complex,which acts as the primary electron acceptor. From the $FeS$ complex,the electrons are transferred to Ferredoxin $(Fd)$,and subsequently to $NADP^+$ reductase to reduce $NADP^+$ to $NADPH + H^+$. Therefore,the first electron acceptor molecule in the electron transport chain following $P_{700}$ is the $FeS$ protein/Ferredoxin complex.

The first electron acceptor molecule from $P_{700}$ to $NADP^+$ is considered to be .........

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