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.
    Why glucose and galactose cannot act as an inducer for lac operon?

    A) Because they cannot bind with the represser

    B) Because they can bind with the represser

    C) Because they can bind with the operator

    D) Because they can bind with the regulator

    Correct Answer: B

    Solution :

    Because they can bind with the represser


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