title: Early-late transcription switch: isolation of a lambda DNA-RNA polymerase complex active in the synthesis of late RNA.
mesh_terms: D001435:Bacteriophages / Q000201:enzymology*; D002499:Centrifugation, Density Gradient; D004926:Escherichia coli; D008967:Molecular Biology; D009713:Nucleotidyltransferases; D010710:Phosphates / Q000378:metabolism; D010759:Phosphorus Isotopes; D012367:RNA, Viral / Q000096:biosynthesis*; D013997:Time Factors; D014316:Tritium; D014498:Uracil / Q000378:metabolism
chemical_list: D010710:Phosphates; D010759:Phosphorus Isotopes; D012367:RNA, Viral; D014316:Tritium; D014498:Uracil; D009713:Nucleotidyltransferases