title: Ribonucleoprotein particles in HeLa cells. The contamination of the postmitochondrial-cytoplasmic fraction from HeLa cells with ribonucleoprotein particles of mitochondrial origin.
mesh_terms: D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm; D003609:Dactinomycin / Q000494:pharmacology; D006367:HeLa Cells / Q000166:cytology / Q000187:drug effects / Q000378:metabolism*; D008928:Mitochondria / Q000378:metabolism; D009698:Nucleoproteins / Q000096:biosynthesis*; D010617:Phenanthridines / Q000494:pharmacology; D012334:RNA, Neoplasm / Q000096:biosynthesis; D012335:RNA, Ribosomal / Q000096:biosynthesis; D014316:Tritium; D014529:Uridine
chemical_list: D009698:Nucleoproteins; D010617:Phenanthridines; D012334:RNA, Neoplasm; D012335:RNA, Ribosomal; D014316:Tritium; D003609:Dactinomycin; D014529:Uridine