noun🔗SharePurinAny of a class of organic heterocyclic compounds, composed of fused pyrimidine and imidazole rings, that constitute one of the two groups of organic nitrogenous bases (the other being the pyrimidines) and are components of nucleic acids.""Adenine and guanine are two types of purine found in DNA." "Adenin und Guanin sind zwei Arten von Purinen, die in der DNA vorkommen.chemistrybiochemistrybiologycompoundChat with AIVocabulary GamePractice Reading
