Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2009

  • question_answer
    Which of the following is not a restriction endonuclease?

    A)  \[\text{EcoRI}\]                              

    B)  \[\text{Hind-III}\]

    C)  Pst\[\text{-I}\]                                

    D)  DNAse\[\text{-I}\]

    Correct Answer: D

    Solution :

    Restriction endonucleases are the enzyme which cut a DNA molecule within certain spedfic sites that have specific base sequence, eg, \[\text{III}\]Eco-\[\text{RI,}\]Bam-\[\text{II,}\]Hind\[\text{-III,}\] Pst\[\text{-I}\] etc. DNA se\[\text{-I}\] is not a restriction endonuclease enzyme. DNA polymerase\[\text{-III}\] synthesizes DNA, while DNA polymerase\[\text{-I}\] erases primer and fills gaps during DNA replication.


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