noun🔗SharePurine Any 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." "Adenine và guanine là hai loại purine có trong DNA.chemistrybiochemistrybiologycompoundChat với AIGame từ vựngLuyện đọc
