Hypermedia Glossary Of Genetic Terms
|Nitrogenous base||A nitrogen-containing molecule having the chemical properties of a base. See purine and pyrimidine.|
|Purine||A nitrogen-containing, double-ring, basic compound (cf. nitrogenous base) that occurs in nucleic acids. The purines in DNA and RNA are adenine and guanine.
|Pyrimidine||A nitrogen-containing, single-ring, basic compound (cf. nitrogenous base) that occurs in nucleic acids. The pyrimidines in DNA are cytosine and thymine. The pyrimidines in RNA are cytosine and uracil.
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