noun🔗SharePirimidinaA diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosine"In biology class, we learned that cytosine, thymine, and uracil, three important building blocks of DNA and RNA, are all types of pyrimidine bases. "En la clase de biología, aprendimos que la citosina, la timina y el uracilo, tres bloques de construcción importantes del ADN y el ARN, son todos tipos de bases de pirimidina.biochemistrybiologychemistrycompoundChat with AIVocabulary GamePractice Reading