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KVPY Sample Paper KVPY Stream-SX Model Paper-16

  • question_answer
    Four DNA molecules are shown below. These molecules were denatured by heating and then cooled and allowed to renature. Which of the four molecules will show highest melting temperature?

    A)
    \[ATATATATATATATAT\]
    \[TATATATATATATATA\]

    B)
    \[\operatorname{CTCTCTCTCTCTCTC}\]
    \[\operatorname{GAGAGAGAGAGAGAG}\]

    C)
    \[\operatorname{AAAAAAAAAAAAAAA}\]
    \[TTTTTTTTTTTTTTTT\]

    D)
    \[\operatorname{GGAAAAAGGAAGGGA}\]   
    \[\operatorname{CCTTTTTCCTTCCCT}\]

    Correct Answer: B

    Solution :

    DNA molecule with high GC content will have highest melting temperature.


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