title: Studies on the primary structure of ribosomal 28 S ribonucleic acid and its nucleolar precursors. Isolation of an electrophoretically homogeneous fragment rich in guanylic and cytidylic acids.
mesh_terms: D000179:Acrylates; D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000378:metabolism; D002466:Cell Nucleolus; D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000201:enzymology; D004586:Electrophoresis; D005782:Gels; D006150:Guanine Nucleotides; D008113:Liver Neoplasms / Q000378:metabolism*; D008722:Methods; D008970:Molecular Weight; D009368:Neoplasm Transplantation; D009711:Nucleotides / Q000096:biosynthesis; D010179:Pancreas / Q000201:enzymology; D010710:Phosphates / Q000378:metabolism; D010759:Phosphorus Isotopes; D012334:RNA, Neoplasm / Q000096:biosynthesis / Q000302:isolation & purification; D051381:Rats; D012260:Ribonucleases; D012270:Ribosomes
chemical_list: D000179:Acrylates; D005782:Gels; D006150:Guanine Nucleotides; D009711:Nucleotides; D010710:Phosphates; D010759:Phosphorus Isotopes; D012334:RNA, Neoplasm; D012260:Ribonucleases