ABSTRACT DNA is the main genetic materials in most organism.The amino acids are arranged by the genetic triplet code to synthes proteins which are very important in organism.

• 摘 要 DNA分子是绝大多数生物的遗传信息的载体，它的三联密码子指导氨基酸按照一定的序列组装成生命活动极为重要的蛋白质分子。