《英文msh词典》Genes,Lac
[入口词] Genes,Lac
[主题词] Lac Operon
[英文释义] The genetic unit consisting of three structural genes,an operator and a regulatory gene. The regulatory gene controls the synthesis of the three structural genes: BETA-GALACTOSIDASE and beta-galactoside permease (involved with the metabolism of lactose),and beta-thiogalactoside acetyltransferase.