DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    Enzyme that cleaves nucleic acids within the polynucleotide chain is known as

    A)  endonuclease    

    B)  exonuclease

    C)  arylsulphatase    

    D) phosphotriesterase

    Correct Answer: A

    Solution :

    Endonuclease  are enzymes that produce internal cuts, called cleavage, in DNA molecules at or near points where specific nucleotide sequences occur. Such enzymes have been used extensively to map the base sequences of DNA controlling and to construct recombinant vectors in genetic engineering.


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