AMU Medical AMU Solved Paper-1998

  • question_answer
    Enzyme-catalysed reaction can take place as physiological temperatures because they

    A)  are proteins       

    B)  have active sites

    C)  lower the activation energy

    D)  are heat labile.

    Correct Answer: D

    Solution :

    : Every enzyme requires a suitable optimum temperature at which it can act best. Any amount of decrease or increase of temperature than optimum value adversely affects the enzymatic function. Enzymes are destroyed at higher temperature of\[60-70{}^\circ C\]. Most of the enzymes act best between\[20-35{}^\circ C\]. At\[0{}^\circ C\]or below, they are not destroyed but become inactivated.


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