AMU Medical AMU Solved Paper-1995

  • question_answer
    An enzyme which has multiple molecular forms in the same organism is termed as

    A)  isozyme         

    B)  isoenzyme

    C)  holoenzyme      

    D)  apoenzyme.

    Correct Answer: A

    Solution :

    [a] & [b]: Isoenzyme (isozyme) is one of the several forms in which an enzyme may exist in various tissues, e.g. there are about 5 isozymes of enzyme lactic dehydrogenase. Although the isoenzymes are similar in catalytic qualities, they may be separated from each other by special chemical tests. Holoenzyme is a type of enzyme consisting of a protein portion (apoenzyme) and a non-amino acid part or prosthetic group.


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