noun🔗ShareПуринAny 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." "Аденин и гуанин — два типа пуринов, обнаруженных в ДНК.chemistrybiochemistrybiologycompoundChat with AIVocabulary GamePractice Reading
