title: DNA of mammalian and avian heterochromatin.
mesh_terms: D000818:Animals; D001717:Birds; D002247:Carbon Isotopes; D002458:Cell Fractionation; D002466:Cell Nucleolus; D002467:Cell Nucleus; D002499:Centrifugation, Density Gradient; D002645:Chickens; D002845:Chromatography; D006224:Cricetinae; D004247:DNA / Q000032:analysis* / Q000302:isolation & purification; D004261:DNA Replication; D004285:Dogs; D006168:Guinea Pigs; D006570:Heterochromatin / Q000032:analysis* / Q000302:isolation & purification; D006736:Horses; D008099:Liver / Q000166:cytology; D008722:Methods; D051379:Mice; D008854:Microscopy, Electron; D009691:Nucleic Acid Denaturation; D009695:Nucleic Acid Renaturation; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D006570:Heterochromatin; D014316:Tritium; D004247:DNA; D013936:Thymidine