DUMET Medical DUMET Medical Solved Paper-2008

  • question_answer
    The substance which is metal ion for the normal functioning of enzyme is called

    A)  cofactor        

    B)  coenzyme

    C)  holoenzyme     

    D)  None of these

    Correct Answer: A

    Solution :

    Cofactor is a non-protein component essential for the normal catalytic activity of an enzyme.  Cofactors may be organic molecule or inorganic ions. Coenzyme is an organic non-protein molecule that associates with an enzyme molecule in the process of catalyzing biochemical reactions. Holoenzyme is a complex comprising an enzyme molecule and its cofactor.


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