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NEET AIPMT SOLVED PAPER MAINS 2012

  • question_answer
    Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)

    A)  both sense and antisense RNA

    B)  a particular hormone

    C)  an anti-feed ant

    D)  a toxic protein

    Correct Answer: A

    Solution :

    Antisense RNA can be produced by inverting a cDNA copy of an rnRNA with respect to the promoter in an expression vector. This yields a full length complementary copy of the mRNA sequence. Antisense RNA molecule are thought to interact with mRNA molecule by base pairing to form double stranded RNA.


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