title: Permanent association of 5 s RNA molecules with 50 s ribosomal subunits in growing bacteria.
mesh_terms: D002501:Centrifugation, Zonal; D004926:Escherichia coli; D010759:Phosphorus Isotopes; D012335:RNA, Ribosomal / Q000032:analysis*; D014316:Tritium; D014498:Uracil
chemical_list: D010759:Phosphorus Isotopes; D012335:RNA, Ribosomal; D014316:Tritium; D014498:Uracil