title: Sedimentation behaviour of rapidly labelled RNA from Escherichia coli.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D004926:Escherichia coli; D012329:RNA, Bacterial / Q000032:analysis*; D012333:RNA, Messenger / Q000032:analysis; D012270:Ribosomes / Q000378:metabolism; D014316:Tritium; D014498:Uracil / Q000378:metabolism; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D012329:RNA, Bacterial; D012333:RNA, Messenger; D014316:Tritium; D014498:Uracil; D014529:Uridine