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AIIMS AIIMS Solved Paper-2010

  • question_answer
    \[pB{{R}_{322}},\] which is frequently used as a vector for cloning gene in E. coli is a/an

    A)  original bacterial plasmid

    B)  modified bacterial plasmid

    C)  viral genome

    D)  transposon

    Correct Answer: B

    Solution :

    E. coli plasmid \[pB{{R}_{322}}\] is the most versatile and widely used cloning vector, it contains both ampicillin and tetracyclin-resistance genes and a number of unique restriction enzyme cleavage sites.


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