Orientation of transcription for the galactose operon as determined by hybridization of gal mRNA with the separated DNA strands of coliphages lambda-dg.

Centrifugation, Density Gradient Chromosome Mapping Coliphages DNA, Viral/analysis,isolation & purification Escherichia coli Galactose Genetic Code Genetics, Microbial Nucleic Acid Denaturation Nucleic Acid Hybridization Operon RNA, Messenger RNA, Viral/analysis,isolation & purification Tritium

DNA, Viral RNA, Messenger RNA, Viral Tritium Galactose