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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2009

  • question_answer
    The' lock and key' theory of enzyme structure and function was proposed by

    A)  Morgan                              

    B)  Robertson

    C)  Brown                                 

    D)  Fischer

    Correct Answer: D

    Solution :

    Emil Fischer (1894) proposed 'lock and key' Theory to explain the mechanism of enzyme Action. According to this theory, the active sites To form  have a specific geometric shape where in the substrate molecule gets fitted to form enzyme-substrate complex. This is like the fitting of a key to a particular lock.


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