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 transported into cells through

    A) \[\beta \]-galactosidase                

    B) permease

    C) transacetylase                

    D) transferase

    Correct Answer: B

    Solution :

    permease


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