BCECE Engineering BCECE Engineering Solved Paper-2010

  • question_answer The nucleic acid the purine base having two possible binding sites is

    A)  thymine             

    B)  cytosine             

    C)         guanine              

    D)         adenine

    Correct Answer: D

    Solution :

    Thymine (pyrimidine base) and adenine (purine base) attach to each other by two H-bonds while cytosine (pyrimidine) and guanine (purine) attach by three H-bonds.

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