What is "pyrimidines"

Usage examples of "pyrimidines".

Behind them lay what appeared to be the standard presentation of a priority rack — pyrimidines, aneurin.

Behind them lay what appeared to be the standard presentation of a priority rack -- pyrimidines, aneurin .

Science had long known that organic chemistry would come up with the same amino acids, the same purines and pyrimidines under a wide variety of circumstances.

Neither DNA nor RNA has appeared, but the building blocks of these large molecules, called purines and pyrimidines, have.