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NEET Biology Biomolecules / जैव-अणु Question Bank Introduction Properties Action and Inhibition of Enzyme

  • question_answer
    To explain the mechanism of enzymatic action, who proposed "Lock and key hypothesis'' [CPMT 1996; MP PMT 1998; BHU 2000; RPMT 2002]

    A) Fischer

    B) Jacob

    C) Koshland

    D) Sumner

    Correct Answer: A

    Solution :

    Lock and key theory : Emil Fischer proposed this theory, according to which on the surface of enzymes a few elevations and ditches are found known as active sites and enzymes bind reactants on these sites to create reaction between them.


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