嘧啶碱的英文

例句与用法

1. Biochemistry ) a nitrogenous molecule , either a pyrimidine or a purine , that combines with a pentose sugar and phosphoric acid to form a nucleotide , the fundamental unit of nucleic acids
   2碱基：一种含氮的分子，嘌呤碱或者是嘧啶碱，它们和戊糖还有磷酸一起构成核苷酸，核苷酸是核酸的基本结构单位。