title: Further evidence on the nuclear origin and transfer to the cytoplasm of polyadenylic acid sequences in mammalian cell RNA.
mesh_terms: D000227:Adenine Nucleotides / Q000378:metabolism*; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D002846:Chromatography, Affinity; D003609:Dactinomycin / Q000494:pharmacology; D003839:Deoxyadenosines / Q000494:pharmacology; D004591:Electrophoresis, Polyacrylamide Gel; D006367:HeLa Cells / Q000166:cytology / Q000187:drug effects / Q000378:metabolism; D006801:Humans; D007553:Isotope Labeling; D008970:Molecular Weight; D010759:Phosphorus Isotopes; D011119:Polynucleotides / Q000032:analysis / Q000096:biosynthesis*; D012313:RNA / Q000096:biosynthesis* / Q000302:isolation & purification; D012270:Ribosomes / Q000378:metabolism; D013997:Time Factors; D014158:Transcription, Genetic; D014316:Tritium; D014462:Ultrafiltration
chemical_list: D000227:Adenine Nucleotides; D003839:Deoxyadenosines; D010759:Phosphorus Isotopes; D011119:Polynucleotides; D014316:Tritium; D003609:Dactinomycin; D012313:RNA