Haryana PMT Haryana PMT Solved Paper-2010

  • question_answer
    Fixation of one molecule of \[C{{O}_{2}}\] through Calvin cycle requires

    A)  3 ATP and 3 \[NADP{{H}_{2}}\] molecules

    B)  3 ATP and 2 \[NADP{{H}_{2}}\] molecules

    C)  2 ATP and 1 \[NADP{{H}_{2}}\] molecules

    D)  1 ATP and 2\[NADP{{H}_{2}}\] molecules

    Correct Answer: B

    Solution :

                    Two ATP molecules are required during conversion of PGA to 1, 3-diphosphoglyceric acid and one ATP molecule during conversion of glyceraldehyde phosphate to ribulose biphosphate. Two \[NAD{{H}_{2}}\] molecules are utilised for converting 1, 3-diphosphoglyceric acid to glyceraldehyde phosphate.


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