AFMC AFMC Solved Paper-2009

  • question_answer
    Which of the following elements is an activator for both ribulosebiphosphate carboxylase oxygenase and phosphoenol pyruvate carboxylase in photosynthetic carbon fixation?

    A) \[M{{g}^{2+}}\]                               

    B) \[Z{{n}^{2+}}\]

    C) \[C{{a}^{2+}}\]                 

    D) \[S{{O}_{4}}^{2-}\]

    Correct Answer: A

    Solution :

    Ribulosebiphosphate carboxylase oxygenase and phosphoenol pyruvate carboxylase are critical enzymes in photosynthetic carbon fixation. \[\text{M}{{\text{g}}^{\text{2}+}}\]is an activator for both the enzymes.


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