title: The production of ribosomal RNA from high molecular weight precursors. II. Demonstration of an exonuclease in isolated nucleoli.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002247:Carbon Isotopes; D002466:Cell Nucleolus / Q000201:enzymology* / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D002855:Chromatography, Thin Layer; D004586:Electrophoresis; D006868:Hydrolysis; D007739:L Cells / Q000166:cytology / Q000201:enzymology / Q000378:metabolism; D051379:Mice; D010179:Pancreas / Q000201:enzymology; D012313:RNA / Q000096:biosynthesis*; D012335:RNA, Ribosomal / Q000096:biosynthesis / Q000378:metabolism; D012260:Ribonucleases / Q000032:analysis*; D012265:Ribonucleotides / Q000096:biosynthesis; D012270:Ribosomes; D014316:Tritium; D014500:Uracil Nucleotides / Q000096:biosynthesis; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D012335:RNA, Ribosomal; D012265:Ribonucleotides; D014500:Uracil Nucleotides; D014316:Tritium; D012313:RNA; D012260:Ribonucleases; D014529:Uridine