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.
    Which enzyme (s) will be produced in a cell in which there is a non-sense mutation in the lacy-gene?

    A) p-galactosidase

    B) Lactose permease

    C) Transacetylase

    D) Lactose permease and transacetylase

    Correct Answer: A

    Solution :

    p-galactosidase


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