AMU Medical AMU Solved Paper-2007

  • question_answer
    \[{{C}_{4}}\]plants differ from \[{{C}_{3}}\]plants in respect to

    A)  number of ATP used

    B)  substrate which accept the \[C{{O}_{3}}\]molecules

    C)  the final product

    D)  number of ATP formed

    Correct Answer: B

    Solution :

                     In \[{{C}_{3}}\] plants, \[C{{O}_{2}}\] combines with RuBP to form phosphoglyceric acid, on the other hand in \[{{C}_{4}}\] plants, \[C{{O}_{2}}\] is first picked up by phosphoenol pyruvate (PEP) to form oxalocetic acid.


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