DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    A particular enzyme molecule interacts with the specific substrate molecule is explained by

    A)  enzyme-substrate concept

    B)  activation energy concept

    C)  destroyed and re-synthesised concept

    D)  lock and  key concept

    Correct Answer: D

    Solution :

    Lock and key hypothesis for enzyme action was put forward by Emil Fischer (1894). According to this hypothesis, the enzyme and its substrate have a complementary shape. The specific substrate molecules are bound to the specific site of the enzyme molecule.


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