MGIMS WARDHA MGIMS WARDHA Solved Paper-2013

  • question_answer
    First transistory chemical formed by reaction between\[C{{O}_{2}}\]and RUBP is

    A)  PGA

    B)  PGAL/GAP

    C)  dihydroxy acetone phosphate

    D)  2 carboxy, 3-keto, 1-5 biphosphoribotol

    Correct Answer: D

    Solution :

                    During first phase (carboxylation) of Calvin cycle RUBP (ribulose-1,5-biphosphate) combine with\[C{{O}_{2}}\] in the presence of RUBP carboxylase or rubisco. This reaction produces a transient (unstable) intermediate compound 2 carboxy, 3-keto, 1-5 biphosphoribotol.


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