title: Characterization of an endoribonuclease in rat-liver nucleoli.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D002466:Cell Nucleolus / Q000201:enzymology*; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D003090:Coliphages; D003851:Deoxyribonucleases; D004720:Endonucleases / Q000037:antagonists & inhibitors / Q000302:isolation & purification*; D006367:HeLa Cells; D006868:Hydrolysis; D008099:Liver / Q000201:enzymology*; D008297:Male; D011072:Poly U; D012329:RNA, Bacterial / Q000378:metabolism; D012335:RNA, Ribosomal / Q000378:metabolism; D012367:RNA, Viral / Q000378:metabolism; D051381:Rats; D012260:Ribonucleases / Q000037:antagonists & inhibitors / Q000302:isolation & purification*; D012995:Solubility; D014316:Tritium; D014461:Ultracentrifugation
chemical_list: D002250:Carbon Radioisotopes; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D012367:RNA, Viral; D014316:Tritium; D011072:Poly U; D003851:Deoxyribonucleases; D004720:Endonucleases; D012260:Ribonucleases