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 lac operon  



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LAC operon is set of coordinated controlled genes adjacent to one another in a genome.

3 types of gene

1. lac Z gene encodes beta-galatosidase,,which splits LACTOSE into glucose+glactose.

2.lac Y gene encodes lactose permease,,which pumps LACTOSE into cell.

3.lac A gene encode thiogalactosidase transacetylase-








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