Haryana PMT Haryana PMT Solved Paper-2011

  • question_answer
    Unwinding of DNA is done by

    A)  topoisomerase               

    B)  exonuclease

    C)  helicase                              

    D)  ligase

    Correct Answer: C

    Solution :

                    Helicases (unwindases) unwind the DNA helix and separate the two strands during DNA replication.


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