12th Class Biology Sample Paper Practice Paper - 2

  • question_answer
    Direction: Observe the diagram given below of the lac operon showing an operon of inducible enzymes and answer the following questions.
    Lactose is a substrate for

    A) galactosidase                 

    B) \[\alpha \]-galactosidase

    C) \[\beta \]-galactosidase

    D) \[\gamma \]-galactosidase

    Correct Answer: C

    Solution :

    \[\beta \]-galactosidase


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