Structural analysis of nucleolar precursors of ribosomal ribonucleic acids. I. Isolation and characterization of the longest polypurine sequences of nucleolar 28 S ribonucleic acid and ribosomal 28 S ribonucleic acid of Novikoff hepatoma ascites cells.

Alkaline Phosphatase Animals Bacteria/enzymology Base Sequence Carcinoma, Hepatocellular Cell Line Cell Nucleolus/analysis Cells, Cultured Centrifugation, Density Gradient Chromatography, Gel Electrophoresis, Paper Hydrolysis Liver Neoplasms Male Neoplasms, Experimental Nucleic Acid Conformation Pancreas/enzymology Phosphoric Monoester Hydrolases Phosphorus Isotopes RNA, Neoplasm/analysis,isolation & purification RNA, Ribosomal/analysis,isolation & purification Rats Rats, Inbred Strains Ribonucleases Spleen/enzymology Venoms

Phosphorus Isotopes RNA, Neoplasm RNA, Ribosomal Venoms Ribonucleases Alkaline Phosphatase Phosphoric Monoester Hydrolases