title: Structural analysis of nucleolar precursors of ribosomal ribonucleic acids. Sequence analysis of long oligonucleotides produced by T 1  ribonuclease digestion of nucleolar and ribosomal 28 S ribonucleic acid of Novikoff hepatoma ascites cells.
mesh_terms: D000818:Animals; D001483:Base Sequence; D006528:Carcinoma, Hepatocellular / Q000378:metabolism* / Q000473:pathology; D002466:Cell Nucleolus / Q000378:metabolism*; D002852:Chromatography, Ion Exchange; D003090:Coliphages / Q000201:enzymology; D007553:Isotope Labeling; D008113:Liver Neoplasms / Q000378:metabolism* / Q000473:pathology; D008297:Male; D009374:Neoplasms, Experimental / Q000378:metabolism / Q000473:pathology; D009711:Nucleotides / Q000032:analysis; D010179:Pancreas / Q000201:enzymology; D010710:Phosphates / Q000378:metabolism; D010727:Phosphoric Diester Hydrolases; D010759:Phosphorus Isotopes; D011119:Polynucleotides / Q000032:analysis / Q000302:isolation & purification; D012334:RNA, Neoplasm / Q000032:analysis*; D012335:RNA, Ribosomal / Q000032:analysis*; D051381:Rats; D012260:Ribonucleases; D013154:Spleen / Q000201:enzymology
chemical_list: D009711:Nucleotides; D010710:Phosphates; D010759:Phosphorus Isotopes; D011119:Polynucleotides; D012334:RNA, Neoplasm; D012335:RNA, Ribosomal; D012260:Ribonucleases; D010727:Phosphoric Diester Hydrolases