title: Demonstration of the "5-8 S" ribosomal sequence in HeLa cell ribosomal precursor RNA.
mesh_terms: D001483:Base Sequence; D001669:Biochemical Phenomena; D001671:Biochemistry; D002499:Centrifugation, Density Gradient; D006367:HeLa Cells; D006358:Hot Temperature; D006801:Humans; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D010761:Phosphorus Radioisotopes; D012313:RNA / Q000032:analysis*; D012260:Ribonucleases; D012270:Ribosomes
chemical_list: D010761:Phosphorus Radioisotopes; D012313:RNA; D012260:Ribonucleases