CET Karnataka Medical CET - Karnataka Medical Solved Paper-2006

  • question_answer
    The synthesis of one molecule of glucose during Calvin cycle requires

    A)  12 molecules of ATP and 18 molecules of \[NADP{{H}_{2}}\]

    B)  6 molecules of ATP and 12 molecules of \[NADP{{H}_{2}}\]

    C)  18 molecules of ATP and 12 molecules of \[NADP{{H}_{2}}\]

    D)  12 molecules each of ATP and \[NADP{{H}_{3}}\]

    Correct Answer: D

    Solution :

    Assimilation and reduction of \[C{{O}_{2}}\] takes place during calvin cycle. This cycle takes in only one carbon (As \[C{{O}_{2}}\]) at a rime so it takes six turns to produce a hexose or glucose molecule (6 cabon). In calvin cycle for formation of one mole of hexose sugar (glucose) 18 ATP and 12 \[NADP{{H}_{2}}\] are used. The assimilatory power (\[NADP{{H}_{2}}\] and ATP) are generated in light reaction of photosynthesis.


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