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Question
Which of the following is not involved during cyclic photophosphorylation?
Which of the following is not involved during cyclic photophosphorylation?
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Solution
The correct option is B FNR
When light of wavelength 700nm falls on PS I, an electron is expelled. The expelled electron passes onto a series of electron carriers which include modified chlorophyll molecule A0, A1, Fe-S centres, ferredoxin (Fd), plastoquinone (PQ), cytochrome b6fand plastocyanin (PC) before returning back to the photocentre. This process continues in a cyclic manner.
FNR or ferredoxin NADP reductase is not involved in this process and there is no generation of NADPH. Only ATP is synthesised.
When light of wavelength 700nm falls on PS I, an electron is expelled. The expelled electron passes onto a series of electron carriers which include modified chlorophyll molecule A0, A1, Fe-S centres, ferredoxin (Fd), plastoquinone (PQ), cytochrome b6fand plastocyanin (PC) before returning back to the photocentre. This process continues in a cyclic manner.
FNR or ferredoxin NADP reductase is not involved in this process and there is no generation of NADPH. Only ATP is synthesised.
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