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NEET Sample Paper NEET Sample Test Paper-84

  • question_answer
    The enzyme used for joining two DNA fragment is called:

    A) tigase   

    B)        restriction endonuclease

    C) DNA polymerase

    D) gyrase

    Correct Answer: A

    Solution :

    [a] DNA ligase is the enzyme which helps in joining two fragments of DNA. The enzyme is used in DNA replication as it joints the Okazaki segments (also in proofreading). It also finds its use in genetic engineering as it can join two or more desired nucleotide sequences of DNA.


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