Definitions for "Purines"
Keywords:  uric, guanine, adenine, nucleic, rna
nucleic bases that have two rings, which are adenine and guanine.
A type of nitrogen base; the purine bases in DNA and RNA are adenine and guanine.
The name that classifies the bases with a two-ringed structure, Adenine and Guanine. Purine bases will only bond with pyrimidine bases.