title: Polar effects of an amber mutation in f2 bacteriophage.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002701:Chloramphenicol / Q000494:pharmacology; D003090:Coliphages / Q000201:enzymology; D004926:Escherichia coli; D009154:Mutation; D010759:Phosphorus Isotopes; D012316:RNA Nucleotidyltransferases; D012329:RNA, Bacterial; D012367:RNA, Viral / Q000096:biosynthesis / Q000378:metabolism; D013698:Templates, Genetic; D014161:Transduction, Genetic; D014498:Uracil / Q000378:metabolism; D014779:Virus Replication
chemical_list: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D010759:Phosphorus Isotopes; D012329:RNA, Bacterial; D012367:RNA, Viral; D014498:Uracil; D002701:Chloramphenicol; D012316:RNA Nucleotidyltransferases