DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    Which of the following DNA sequences qualifies to be designated as a palindrome?

    A)  5 - GACCAG ? 3 in one strand

    B)  3 - GACCAG ? 5 in one strand

    C)  5 - GACGAG - 3 3 - CTGGTC ? 5

    D)  5 - AGCGCT ? 3 3 - TCGCGA ? 5

    Correct Answer: D

    Solution :

    A palindrome is a sequence which reads the same as from forwards and backwards, ie, DNA contains regions with an axis of two fold rotational symmetry which reads the same I both the directions. Out of the given, 5- AGCGCT -3 is a palindrome. 3-TCGCGA-5


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