WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by

    A)  centrifugation

    B)  polymerase chain reaction

    C)  electrophoresis

    D)  restriction mapping

    Correct Answer: C

    Solution :

     DNA fragments generated by the restriction endonucleases in a chemical reaction    can    be    separated   by electrophoresis. The polymerase chain reaction is simply DNA replication in a test tube. Restriction mapping is the process of obtaining structural information on a piece of DNA by the use of restriction enzymes, e.g., endonucleases that recognise specific 4 to 8 base regions of DNA.


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