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NEET Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Gene Regulation and Genetic Code

  • question_answer
    In the lac operon, the structural genes are switched off when [Kerala CET 2005]

    A) Repressor binds to operator

    B) Repressor binds to promotor

    C) Repressor binds to regular

    D) Repressor binds to inducer

    E) Repressor binds to allolactose

    Correct Answer: A

    Solution :

    A short sequence of DNA where the repressor binds preventing RNA polymerase from attaching to the promoter this is called on/off switch of transcription.


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