Absorption of radiant energy causes

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(B) During the light-dependent reactions of photosynthesis,the chlorophyll $a$ molecule present in the Light Harvesting Complex $(LHC)$ absorbs radian

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Oxidation of chlorophyll

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(B) During the light-dependent reactions of photosynthesis,the chlorophyll $a$ molecule present in the Light Harvesting Complex $(LHC)$ absorbs radiant energy (photons). This absorption of energy excites the electrons in the chlorophyll $a$ molecule,causing it to lose an electron and become oxidized. This oxidized chlorophyll $a$ then acts as a strong oxidizing agent,which subsequently extracts electrons from water molecules during photolysis.

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