title: Shift in buoyant density of DNA during the synthetic period and its relation to euchromatin and heterochromatin in mammalian cells.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D002875:Chromosomes; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis / Q000302:isolation & purification*; D006570:Heterochromatin; D008099:Liver / Q000032:analysis; D010710:Phosphates / Q000378:metabolism; D010759:Phosphorus Isotopes; D011817:Rabbits; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D006570:Heterochromatin; D010710:Phosphates; D010759:Phosphorus Isotopes; D014316:Tritium; D004247:DNA; D013936:Thymidine