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CMC Medical CMC-Medical VELLORE Solved Paper-2008

  • question_answer
    The number of NADPH molecules that are used during the conversion of carbon dioxide info one molecule of glucose

    A)  1                                            

    B)  4

    C)  6                                            

    D)  8

    E)  12

    Correct Answer: E

    Solution :

                    NADPH is a strong reducing agent. It constitutes the reducing power and also contains a large amount of chemical energy. It is produced through non-cyclic photophosphorylation along with ATP. Since, fixation of one molecule of \[C{{O}_{2}}\]uses 2NADPH in both \[{{C}_{3}}\] and \[{{C}_{4}}\]-plants. So, In conversion of carbon dioxide into one molecule of glucose (6C compound), a total of \[(2\times 6),\] 12 NADPH will be required.


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