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  3. RAJASTHAN PMT

RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    The enzyme involved in fixation of \[C{{O}_{2}}\] in \[{{C}_{4}}\] plants is:

    A)  PEP carboxylase

    B)         Ru DP carboxylase

    C)  RuDP oxydase                 

    D)  both (a) and (b)

    Correct Answer: A

    Solution :

    In \[{{C}_{4}}\] plants \[C{{O}_{2}}\] fixation occurs by the catalytic activity of enzyme PEP carboxylase. The first product of this reaction is four carbon compound oxalo acitic acid.


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