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  4. The nucleic acid the purine base having two possible binding sites is

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Q. The nucleic acid the purine base having two possible binding sites is

Bihar CECEBihar CECE 2010Biomolecules

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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