title: Orientation of transcription for the galactose operon as determined by hybridization of gal mRNA with the separated DNA strands of coliphages lambda-dg.
mesh_terms: D002499:Centrifugation, Density Gradient; D002874:Chromosome Mapping; D003090:Coliphages; D004279:DNA, Viral / Q000032:analysis / Q000302:isolation & purification; D004926:Escherichia coli; D005690:Galactose; D005815:Genetic Code; D005827:Genetics, Microbial; D009691:Nucleic Acid Denaturation; D009693:Nucleic Acid Hybridization; D009876:Operon; D012333:RNA, Messenger; D012367:RNA, Viral / Q000032:analysis / Q000302:isolation & purification; D014316:Tritium
chemical_list: D004279:DNA, Viral; D012333:RNA, Messenger; D012367:RNA, Viral; D014316:Tritium; D005690:Galactose