title: Ribosomal precursor particles from plant nucleoli.
mesh_terms: D002466:Cell Nucleolus / Q000032:analysis* / Q000187:drug effects; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm; D003902:Detergents / Q000494:pharmacology; D004229:Dithiothreitol / Q000494:pharmacology; D004492:Edetic Acid / Q000494:pharmacology; D009698:Nucleoproteins / Q000302:isolation & purification*; D059828:Plant Cells; D063245:Plant Development; D010944:Plants / Q000032:analysis*; D011145:Polyvinyls / Q000494:pharmacology; D011189:Potassium Chloride / Q000494:pharmacology; D012313:RNA / Q000302:isolation & purification; D012335:RNA, Ribosomal / Q000302:isolation & purification*; D012270:Ribosomes; D012995:Solubility; D013464:Sulfuric Acids / Q000494:pharmacology; D013501:Surface-Active Agents / Q000494:pharmacology; D014316:Tritium; D014325:Tromethamine / Q000494:pharmacology; D014461:Ultracentrifugation; D014529:Uridine / Q000378:metabolism
chemical_list: D003902:Detergents; D009698:Nucleoproteins; D011145:Polyvinyls; D012335:RNA, Ribosomal; D013464:Sulfuric Acids; D013501:Surface-Active Agents; D014325:Tromethamine; D014316:Tritium; D012313:RNA; D011189:Potassium Chloride; D004492:Edetic Acid; D004229:Dithiothreitol; D014529:Uridine