精选优质文档-倾情为你奉上医学英语重点：1.Induction and eprseeion are thought to be theresult of modification of gene expresion. Thesmallest unit of genetie expession is the eisrton, a strural geng coding for the synthesis of an enzyme subunit The eistrons are functionally combined in a unit called the oper on which may be described as a regulated gene cluster.诱导和遏制被认为基因表达修饰的结果,基因表达最小的单位是顺反子,是编码合成的亚基的结构基因,顺反子的作用与一种叫做持操纵子的单位联系在一起.这种操纵子可以被称作基因调节团.2.In eukaryotes genes coding for metabolically-related
