title: Structural analysis of nucleolar precursors of ribosomal ribonucleic acid. Studies on the 5'-terminal and alkali-resistant dinucleotides of nucleolar high molecular weight ribonucleic acid.
mesh_terms: D000227:Adenine Nucleotides / Q000032:analysis; D000818:Animals; D006528:Carcinoma, Hepatocellular; D002466:Cell Nucleolus; D002499:Centrifugation, Density Gradient; D002852:Chromatography, Ion Exchange; D003597:Cytosine Nucleotides / Q000032:analysis; D006878:Hydroxides; D008113:Liver Neoplasms; D008297:Male; D008745:Methylation; D009711:Nucleotides / Q000032:analysis*; D010759:Phosphorus Isotopes; D011188:Potassium; D012334:RNA, Neoplasm / Q000032:analysis / Q000096:biosynthesis*; D051381:Rats; D012270:Ribosomes; D014500:Uracil Nucleotides / Q000032:analysis
chemical_list: D000227:Adenine Nucleotides; D003597:Cytosine Nucleotides; D006878:Hydroxides; D009711:Nucleotides; D010759:Phosphorus Isotopes; D012334:RNA, Neoplasm; D014500:Uracil Nucleotides; D011188:Potassium