CMC Medical CMC-Medical VELLORE Solved Paper-2013

  • question_answer
    How many number of reducing powers are required to synthesise one molecule of glyceraldehyde phosphate?

    A)  9 ATP and 6 NADPH

    B)  3ATP and 3 NADPH

    C)  6 ATP and 6 NADPH

    D)  9 ATP and 36 NADPH

    Correct Answer: C

    Solution :

                    For fixation of six\[C{{O}_{2}}\]molecules during Calvin cycle of photosynthesis, 18-molecules of ATP and 12 molecules of\[NADP{{H}_{2}}\]are required. One molecule of glyceraldehyde -3 phosphate. (3-carbon molecule) is formed by fixation of \[3C{{O}_{2}}\]molecules. 9 ATP and 6 NADPH molecules are required for formation of glyceraldehyde phosphate. \[3C{{O}_{2}}+6NADPH+9ATP\] Glyceraldehyde 3-phosphate +\[6NAD{{P}^{+}}9ADP+8P\]


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