title: DNA and the RNA viruses.
mesh_terms: D000595:Amino Acid Sequence; D003090:Coliphages; D003588:Cytopathogenic Effect, Viral; D004247:DNA; D009154:Mutation; D010759:Phosphorus Isotopes; D012313:RNA / Q000096:biosynthesis; D012316:RNA Nucleotidyltransferases; D012328:RNA Viruses; D012367:RNA, Viral; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D010759:Phosphorus Isotopes; D012367:RNA, Viral; D014316:Tritium; D012313:RNA; D004247:DNA; D012316:RNA Nucleotidyltransferases; D013936:Thymidine