NEET Sample Paper NEET Sample Test Paper-83

  • question_answer
    Which of the following isotopes is used for proving semiconservative nature of DNA replication?

    A)  \[{{\operatorname{C}}^{14}}\,and\,\,{{P}^{31}}\]                

    B)  \[{{\operatorname{N}}^{14}}\,and\,\,{{N}^{15}}\]

    C)  \[{{\operatorname{N}}^{14}}\,and\,\,{{C}^{14}}\]                

    D)  \[{{\operatorname{N}}^{14}}\,and\,\,{{P}^{31}}\]

    Correct Answer: A

    Solution :

    Meselson and Stanl used \[{{\operatorname{N}}^{14}}\,and {{N}^{15}}\] to prove the semiconservative replication of DNA.


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