title: In vitro synthesis of Escherichia coli ribosomal RNA.
mesh_terms: D001483:Base Sequence; D002474:Cell-Free System; D004269:DNA, Bacterial; D012321:DNA-Directed RNA Polymerases; D004926:Escherichia coli / Q000378:metabolism*; D009693:Nucleic Acid Hybridization; D010759:Phosphorus Isotopes; D011513:Proteus mirabilis; D012329:RNA, Bacterial / Q000096:biosynthesis*; D012333:RNA, Messenger; D012335:RNA, Ribosomal / Q000096:biosynthesis*; D014158:Transcription, Genetic; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D010759:Phosphorus Isotopes; D012329:RNA, Bacterial; D012333:RNA, Messenger; D012335:RNA, Ribosomal; D014316:Tritium; D012321:DNA-Directed RNA Polymerases