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J & K CET Medical J & K - CET Medical Solved Paper-2002

  • question_answer
    First transitory chemical formed by reaction between \[C{{O}_{2}}\]and RuBP is :

    A)  PGAL/GAP

    B)  2 carboxy, 3 keto, 1-5 phosphoribotol

    C)  PGA

    D)  dihydroxy acetone phosphate

    Correct Answer: B

    Solution :

                     In \[{{C}_{3}}\] cycle (Calvin cycle) \[C{{O}_{2}}\] acceptor molecule is RuBP, which combines with \[C{{O}_{2}}\] in presence of Rubisco enzyme and form a transitory 6 carbon-2 carboxy, 3 keto, 1-5 biphospho ribotol, which immediaty splits into PGA.


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