title: Orientation of transcription of the lac operon and its repressor gene in Escherichia coli.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages; D004790:Enzyme Induction; D004794:Enzyme Repression; D004926:Escherichia coli; D005796:Genes; D007785:Lactose; D008967:Molecular Biology; D009691:Nucleic Acid Denaturation; D009876:Operon; D012333:RNA, Messenger / Q000096:biosynthesis*; D013489:Suppression, Genetic; D014316:Tritium
chemical_list: D012333:RNA, Messenger; D014316:Tritium; D007785:Lactose