title: The chemical structure of bacterial ribosomal ribonucleic acid. II. Growth conditions and polynucleotide distribution in Escherichia coli ribosomal RNA.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D003470:Culture Media; D004586:Electrophoresis; D004926:Escherichia coli / Q000032:analysis*; D009705:Nucleosides; D009711:Nucleotides; D012329:RNA, Bacterial / Q000032:analysis*; D012270:Ribosomes / Q000032:analysis*
chemical_list: D002247:Carbon Isotopes; D003470:Culture Media; D009705:Nucleosides; D009711:Nucleotides; D012329:RNA, Bacterial