title: 30 S pre-ribosomal RNA of Escherichia coli and products of cleavage by ribonuclease III: length and molecular weight.
mesh_terms: D002250:Carbon Radioisotopes; D004586:Electrophoresis; D004926:Escherichia coli / Q000032:analysis* / Q000648:ultrastructure; D005559:Formamides; D008854:Microscopy, Electron; D008970:Molecular Weight; D012329:RNA, Bacterial / Q000032:analysis* / Q000096:biosynthesis; D012335:RNA, Ribosomal; D012260:Ribonucleases; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002250:Carbon Radioisotopes; D005559:Formamides; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D014316:Tritium; D012260:Ribonucleases; D014529:Uridine