發(fā)布日期：2006-04-15 來源：- 作者：845 x 709 像素
核心提示：a) Line diagrams of glucose and galac-
tose. Note the only difference is the position of one hydroxyl group. b) Metabolic circuit show-
ing the galactose induction pathway. The toggle switch is controlled by the proteins located in
the blue regula
