In the photosynthesis process,which molecule | vedclass

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(D) In the process of photosynthesis,the light-harvesting complex consists of hundreds of pigment molecules bound to proteins. Each photosystem has al

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Chlorophyll $-a$

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(D) In the process of photosynthesis,the light-harvesting complex consists of hundreds of pigment molecules bound to proteins. Each photosystem has all the pigments except one molecule of chlorophyll $-a$ forming a light-harvesting system also called antennae. These pigments help to make photosynthesis more efficient by absorbing different wavelengths of light. The single chlorophyll $-a$ molecule forms the reaction center. In Photosystem $I$ $(PS I)$,the reaction center chlorophyll $-a$ has an absorption peak at $700 \ nm$ $(P700)$,while in Photosystem $II$ $(PS II)$,it has an absorption peak at $680 \ nm$ $(P680)$.

In the photosynthesis process,which molecule acts as the reaction center?

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