WB JEE Medical WB JEE Medical Solved Paper-2011

  • question_answer
    Restriction enzymes are used to cut

    A)  single stranded RNA     

    B)  double stranded DNA

    C)  single stranded DNA

    D)  double stranded RNA

    Correct Answer: B

    Solution :

                    Restriction enzymes cut double stranded DNA molecules at specific sites called recognition sites that have specific base sequence. The restriction enzyme Eco RI, Barn II and Hind III are used in recombinant DNA technology to produce cuts in vector and other DNA molecules to obtain chimeric DNA.


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