title: Rapidly labelled ribonucleic acid in chicken embryos. Evidence for heterogeneous ribonucleoprotein particles.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002467:Cell Nucleus / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D003593:Cytoplasm / Q000378:metabolism; D004492:Edetic Acid / Q000494:pharmacology; D007700:Kinetics; D009698:Nucleoproteins / Q000096:biosynthesis*; D012313:RNA / Q000096:biosynthesis*; D012335:RNA, Ribosomal / Q000096:biosynthesis; D013347:Subcellular Fractions / Q000187:drug effects / Q000378:metabolism; D013501:Surface-Active Agents; D013997:Time Factors; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D009698:Nucleoproteins; D012335:RNA, Ribosomal; D013501:Surface-Active Agents; D014316:Tritium; D012313:RNA; D004492:Edetic Acid; D014529:Uridine