NEET AIPMT SOLVED PAPER SCREENING 2012

  • question_answer
    The figure below is the diagrammatic representation of the E. coli vector pBR 322. Which one of the given options correctly identifies its certain components (s)?

    A) On-original restriction enzyme

    B) rop-reduced osmotic pressure

    C) Hind III, Eco RI-selectable markers

    D) \[\text{am}{{\text{p}}^{\text{R}}}\text{,te}{{\text{t}}^{\text{R}}}\text{-}\]antibiotic resistance genes

    Correct Answer: D

    Solution :

    Ori represents the site of origin of replication, rop represents the proteins that take part in the replication of plasmid. Hind III, Eco RI are the recognition sites of restriction ender releases, \[\text{am}{{\text{p}}^{\text{R}}}\]and \[\text{te}{{\text{t}}^{\text{R}}}\]are the antibiotic resistant gene parts.


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