The lac operon (article) | Khan Academy

Structure of the lac operon · The promoter is the binding site for RNA polymerase, the enzyme that performs transcription. · The operator is a negative regulatory ... Ifyou'reseeingthismessage,itmeanswe'rehavingtroubleloadingexternalresourcesonourwebsite. Ifyou'rebehindawebfilter,pleasemakesurethatthedomains*.kastatic.organd*.kasandbox.orgareunblocked. CoursesSearchDonateLoginSignupSearchforcourses,skills,andvideosMaincontentScienceAP®︎/CollegeBiologyGeneexpressionandregulationRegulationofgeneexpressionandcellspecializationRegulationofgeneexpressionandcellspecializationDNAandchromatinregulationRegulationoftranscriptionCellularspecialization(differentiation)Non-codingRNA(ncRNA)OperonsandgeneregulationinbacteriaOverview:GeneregulationinbacteriaLacoperonThelacoperonThisisthecurrentlyselecteditem.TrpoperonThetrpoperonOverview:EukaryoticgeneregulationTranscriptionfactorsPractice:RegulationofgeneexpressionandcellspecializationNextlessonMutationsScience·AP®︎/CollegeBiology·Geneexpressionandregulation·RegulationofgeneexpressionandcellspecializationThelac operonRegulationofgenesforlactoseutilization.lac repressor,cataboliteactivatorprotein,andcAMP.GoogleClassroomFacebookTwitterEmailRegulationofgeneexpressionandcellspecializationDNAandchromatinregulationRegulationoftranscriptionCellularspecialization(differentiation)Non-codingRNA(ncRNA)OperonsandgeneregulationinbacteriaOverview:GeneregulationinbacteriaLacoperonThelacoperonThisisthecurrentlyselecteditem.TrpoperonThetrpoperonOverview:EukaryoticgeneregulationTranscriptionfactorsPractice:RegulationofgeneexpressionandcellspecializationNextlessonMutationsSortby:TopVotedLacoperonTrpoperonUpNextTrpoperonBiologyisbroughttoyouwithsupportfromtheAmgenFoundationBiologyisbroughttoyouwithsupportfromtheAP®isaregisteredtrademarkoftheCollegeBoard,whichhasnotreviewedthisresource.