The reaction center that accepts light energy | vedclass

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Question

(B) In the light-dependent reactions of photosynthesis,the light-harvesting complexes are organized into two photosystems: Photosystem-$I$ $(PS-I)$ an

Vedclass · Accepted Answer

$P-680$

Vedclass · Answer

(B) In the light-dependent reactions of photosynthesis,the light-harvesting complexes are organized into two photosystems: Photosystem-$I$ $(PS-I)$ and Photosystem-$II$ $(PS-II)$.Each photosystem has a reaction center composed of chlorophyll-$a$ molecules.In Photosystem-$II$ $(PS-II)$,the reaction center is a special chlorophyll-$a$ molecule that absorbs light at a wavelength of $680 \ nm$,and is therefore referred to as $P-680$.In contrast,the reaction center of Photosystem-$I$ $(PS-I)$ absorbs light at $700 \ nm$ and is known as $P-700$.Therefore,the correct answer is $P-680$.

The reaction center that accepts light energy in Photosystem-$II$ is .........

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