Characterization of ribosomal precursor particles from HeLa cell nucleoli.

Carbon Isotopes Cell Nucleolus/metabolism Centrifugation, Density Gradient Cytoplasm/metabolism Electrophoresis, Polyacrylamide Gel HeLa Cells/analysis,cytology Isotope Labeling Leucine/metabolism Molecular Weight Neoplasm Proteins/analysis,metabolism Nucleoproteins/analysis,metabolism Protein Binding RNA, Neoplasm/analysis RNA, Ribosomal/metabolism Ribosomes Time Factors Tritium Uridine/metabolism

Carbon Isotopes Neoplasm Proteins Nucleoproteins RNA, Neoplasm RNA, Ribosomal Tritium Leucine Uridine