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  5. Molecular basis of Inheritance / विरासत का आणविक आधार

12th Class Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank MCQs - Molecular Basis of Inheritance

  • question_answer
    The lac operon consists of :

    A) Four regulatory genes only

    B) One regulatory gene and three structural genes

    C) Two regulatory genes and two structural genes

    D) Three regulatory genes and three structural genes

    Correct Answer: B

    Solution :

    One regulatory gene and three structural genes


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