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

  • question_answer
    Operon is

    A) a set of closely linked genes, regulating a metabolic pathway in prokaryotes

    B) the sequence of three nitrogen bases determining a single amino acid

    C) the sequence of nitrogen bases in mRNA, which codes for a single amino acid

    D) a gene responsible for switching on or off other genes

    Correct Answer: A


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