Which activity is performed by PS-I in light | vedclass

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(B) The correct activity performed by $PS-I$ in the light reaction is the reduction of $NADP^{+}$.$1$. Light reaction begins with $PS-II$. In $PS-II$,

Vedclass · Accepted Answer

Reduction of $NADP^{+}$

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(B) The correct activity performed by $PS-I$ in the light reaction is the reduction of $NADP^{+}$.$1$. Light reaction begins with $PS-II$. In $PS-II$,the reaction center chlorophyll-$a$ absorbs light of $680 \; nm$ wavelength,causing electrons to become excited.$2$. These electrons are passed through an electron transport system $(ETS)$ consisting of cytochromes to $PS-I$.$3$. Simultaneously,electrons in the reaction center of $PS-I$ are excited by absorbing light of $700 \; nm$ wavelength.$4$. These excited electrons are transferred to an electron acceptor with a higher redox potential.$5$. Finally,these electrons are used to reduce $NADP^{+}$ to $NADPH + H^{+}$ with the help of the enzyme $FNR$ (Ferredoxin-$NADP$ reductase).

Which activity is performed by $PS-I$ in light reaction?

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