The fractionation of quaternary ammonium complexes of nucleic acids. Evidence for heterogeneity of ribosomal ribonucleic acid.

Anti-Infective Agents, Local Centrifugation, Density Gradient Chemical Precipitation Chromatography DNA/analysis DNA, Bacterial/analysis Escherichia coli/analysis,metabolism Freezing Hot Temperature Liver/analysis Methods Nucleotides/analysis Phosphates/metabolism Phosphorus Isotopes Quaternary Ammonium Compounds RNA/analysis RNA, Bacterial/analysis RNA, Transfer/analysis Ribosomes/analysis Saccharomyces Sodium Chloride Solubility

Anti-Infective Agents, Local DNA, Bacterial Nucleotides Phosphates Phosphorus Isotopes Quaternary Ammonium Compounds RNA, Bacterial Sodium Chloride RNA DNA RNA, Transfer