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What are the four bases found in DNA and are they prymidines or purines?


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February 07, 2009 7:34AM

The four nitrogenous bases found in DNA are: Adenine, Guanine, Cytosine and Thymine. Adenine and Guanine are purines whereas Cytosine and Thymine are pyrimidines. Uracil is found in RNA and is also a pyrimidine. Use this mnemonic, CUT PY (like cut pie), Cytosine, Thymine, Uracil are PYrimidines.