Pyrimidine Written by NCI Thesaurus v.07.09d   

Definition of Pyrimidine One of two classes of heterocyclic nitrogenous bases found in the nucleic acids DNA and RNA: in DNA the pyrimidines are cytosine and thymine, in RNA uracil replaces thymine. Pyrimidine is from the group Heterocyclic Compound Other Names for Pyrimidine Pyrimidine Source NCI Thesaurus License

 

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