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CMC Medical CMC-Medical Ludhiana Solved Paper-2008

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

    A)  number of ATP used

    B)  substrate which accept the\[C{{O}_{2}}\]molecules

    C)  the final product

    D)  Both (a) and (b)

    Correct Answer: D

    Solution :

                    In \[{{C}_{3}}\text{-}\]plants,\[C{{O}_{2}}\]combines with RuBP to form phosphoglyceric acid, on the other hand in plants,\[C{{O}_{2}}\]is first picked up by Phosphonenol Pyruvate (PEP) to form oxaloacetic acid.


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