NEET Sample Paper NEET Sample Test Paper-78

  • question_answer
    Assertion [A] Activity of an enzyme is pH dependent. Reason [R] Change in pH affects the solubility of the enzyme in water.

    A)  Both A and R are true and R is the correct explanation of A

    B)  Both A and R are true, but R is not the correct explanation of A

    C)  A is true, but R is false

    D)  A is false, but R is true

    Correct Answer: A

    Solution :

    Every enzyme has an optimum pH when its most effective. A rise or fall in pH reduces enzyme activity by changing the degree of ionisation of side chains.


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