BHU PMT BHU PMT (Mains) Solved Paper-2007

  • question_answer
    A substance unrelated to substrate but capable of reversibly changing activity of enzyme by binding to a site other than active site is called

    A)  competitive inhibitor

    B)  non-competitive inhibitor

    C)  catalytic inhibitor

    D)  allosteric modulator/inhibitor

    Correct Answer: D

    Solution :

                 The enzymes have one allosteric site close to every active site. The accumulation of end products cause decrease in the rate of reaction by attaching at allosteric site. This causes change in the structure of active site and this inhibits enzyme substrate complex formation. It is called Feedback inhibition or Reverse Inhibition or Allosteric inhibition.


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