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| Description: Lactose enters the E. coli cell from the growth medium with the aid of permease. Most of the lactose has its galactoside linkage cleaved by-galactosidase to yield galactose and glucose. -galactosidase converts some lactose to its isomeric form, allolactose that acts as the inducer. Excess allolactose is cleaved by -galactosidaseLactose enters the E. coli cell from the growth medium with the aid of permease. Most of the lactose has its galactoside linkage cleaved by-galactosidase to yield galactose and glucose. -galactosidase converts some lactose to its isomeric form, allolactose that acts as the inducer. Excess allolactose is cleaved by -galactosidase H OHI |H OH Galactoside linkage Lactose Allolactos: 0 B-galactosidase CH CH CH CH 0 OH 0 OH OH Galactose GlucoseH Picture Stats: Views: 21 Filesize: 467kB Height: 2505 Width: 1216 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=49262 |