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NEET Sample Paper NEET Sample Test Paper-81

  • question_answer
    In-Lac-operon (inducible operon system) the represser protein birds with which part of DNA

    A)  Regulator gene  

    B)  Operator gene

    C)  Promoter gene  

    D)  Structural gene

    Correct Answer: B

    Solution :

    In the lac-operon model the represser protein is formed by regulator gene. In switch off state the represser protein binds to the operator gene of the DNA. Due to which the transcription and translation stops.


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