Manipal Medical Manipal Medical Solved Paper-2000

  • question_answer
    The first acceptor of\[C{{O}_{2}}\]in\[{{C}_{4}}\]plant is:

    A)  pyruvic acid

    B)  phosphoenol pyruvic acid

    C)  acetic acid

    D)  oxaloacetic acid

    Correct Answer: B

    Solution :

     \[{{C}_{4}}\]plants show\[C{{O}_{2}}\]acceptors at two levels but the first acceptor of\[C{{O}_{2}}\]is a 3C-compound which after acceptance of\[C{{O}_{2}}\]converts into a \[{{C}_{4}}\]plants is given to them. The first\[C{{O}_{2}}\]acceptor is a 3C-compound.


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