J & K CET Medical J & K - CET Medical Solved Paper-2011

  • question_answer
    Which of the following radioisotope is not suitable for DNA labelling based studies?

    A)  \[{{H}^{3}}\]                                     

    B)  \[{{P}^{32}}\]

    C)  \[{{N}^{15}}\]                                  

    D)  \[{{S}^{35}}\]

    Correct Answer: D

    Solution :

                    \[{{S}^{35}}\] radioisotope is not suitable for DNA labelling based studies as DNA does not contain sulphur. \[{{S}^{35}}\] radioisotope is suitable for protein labelling based studies because protein contains sulphur.


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