The introduction of radioisotopes into RNA by methylation in vitro.
D000818:Animals; D002247:Carbon Isotopes; D002501:Centrifugation, Zonal; D004269:DNA, Bacterial; D004926:Escherichia coli; D007700:Kinetics; D008745:Methylation; D051379:Mice; D010759:Phosphorus Isotopes; D012313:RNA; D012329:RNA, Bacterial; D014316:Tritium; D014498:Uracil / Q000378:metabolism
D002247:Carbon Isotopes; D004269:DNA, Bacterial; D010759:Phosphorus Isotopes; D012329:RNA, Bacterial; D014316:Tritium; D014498:Uracil; D012313:RNA