EntityQ311359· pop 30· linked from 285 articleslac operonSign in to saveset genes encoding proteins and enzymes for lactose metabolismConnectionscellEntitypromoterEntityoperonEntityregulation of gene expressionEntityactivatorEntitybeta-galactosidaseEntitylac repressorEntity2-nitrophenyl beta-D-galactosideEntityWorld War IIConceptsugarEntitydeoxyribonucleic acidEntityInternational Standard Book NumberEntityenzymeEntitymetabolismEntitymicroorganismEntityglucoseEntityprokaryotesEntitydigital object identifierEntityInternational Standard Serial NumberEntitycell biologyEntityCategoriesBacterial geneticsGene expressionLactoseOperons