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Question
Cyclic photophosphorylation will not take place in the absence of
Cyclic photophosphorylation will not take place in the absence of
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Solution
The correct option is C Chlorophyll-a
Cyclic photophosphorylation involves photosystem I complex which contains a single molecule of chlorophyll a or P700 which absorbs visible light near 700 nm wavelength. This single molecule is the reaction centre for PS I to which all the accessory pigment molecules transfer their energy. The accessory pigments include carotenoids and xanthophylls. Since chlorophyll a is the primary pigment , cyclic photophosphorylation will not take place in its absence. Thus, the correct answer is option B.
Cyclic photophosphorylation involves photosystem I complex which contains a single molecule of chlorophyll a or P700 which absorbs visible light near 700 nm wavelength. This single molecule is the reaction centre for PS I to which all the accessory pigment molecules transfer their energy. The accessory pigments include carotenoids and xanthophylls. Since chlorophyll a is the primary pigment , cyclic photophosphorylation will not take place in its absence.
Thus, the correct answer is option B.
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