Density labeling of mammalian cell DNA and RNA with nitrogen-15.
D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002621:Chemistry; D003470:Culture Media; D004247:DNA / Q000032:analysis*; D005973:Glutamine; D006367:HeLa Cells / Q000032:analysis*; D006801:Humans; D009584:Nitrogen; D012313:RNA / Q000032:analysis*; D014316:Tritium
D002247:Carbon Isotopes; D003470:Culture Media; D005973:Glutamine; D014316:Tritium; D012313:RNA; D004247:DNA; D009584:Nitrogen