Manipal Medical Manipal Medical Solved Paper-2013

  • question_answer
    Electron from excited chlorophyll molecule of photosystem. II are accepted first by

    A)  ferredoxin           

    B)  cytochrome-o

    C)  cytochrome-f        

    D)  quinone

    Correct Answer: D

    Solution :

     In photosystem-ll. Some electron carriers are located in grana of thyllakoids. Photochrome has a densers of special chlorophyll-a molecule called\[{{P}_{680}},\]which absorb light energy gets excited and transfer its electron, to acceptor molecule phaeophytin. Now reducing phaephytin donote electron to donw stream component of ETS, i.e.,  quinone cytochrome-b, cytochrome-f complex, plastocyanin,


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