title: Polarity and the degradation of mRNA.
mesh_terms: D004926:Escherichia coli; D005815:Genetic Code; D007700:Kinetics; D008967:Molecular Biology; D009154:Mutation; D009876:Operon; D012316:RNA Nucleotidyltransferases / Q000378:metabolism; D012329:RNA, Bacterial; D012333:RNA, Messenger / Q000378:metabolism*; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D012329:RNA, Bacterial; D012333:RNA, Messenger; D014316:Tritium; D012316:RNA Nucleotidyltransferases; D014529:Uridine