title: The fractionation of quaternary ammonium complexes of nucleic acids. Evidence for heterogeneity of ribosomal ribonucleic acid.
mesh_terms: D000891:Anti-Infective Agents, Local; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D002845:Chromatography; D004247:DNA / Q000032:analysis*; D004269:DNA, Bacterial / Q000032:analysis*; D004926:Escherichia coli / Q000032:analysis / Q000378:metabolism; D005615:Freezing; D006358:Hot Temperature; D008099:Liver / Q000032:analysis; D008722:Methods; D009711:Nucleotides / Q000032:analysis; D010710:Phosphates / Q000378:metabolism; D010759:Phosphorus Isotopes; D000644:Quaternary Ammonium Compounds; D012313:RNA / Q000032:analysis*; D012329:RNA, Bacterial / Q000032:analysis*; D012343:RNA, Transfer / Q000032:analysis*; D012270:Ribosomes / Q000032:analysis*; D012440:Saccharomyces; D012965:Sodium Chloride; D012995:Solubility
chemical_list: D000891:Anti-Infective Agents, Local; D004269:DNA, Bacterial; D009711:Nucleotides; D010710:Phosphates; D010759:Phosphorus Isotopes; D000644:Quaternary Ammonium Compounds; D012329:RNA, Bacterial; D012965:Sodium Chloride; D012313:RNA; D004247:DNA; D012343:RNA, Transfer