title: Studies on nucleolar liver DNA.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D002875:Chromosomes / Q000032:analysis; D004247:DNA / Q000302:isolation & purification / Q000378:metabolism; D004261:DNA Replication; D008099:Liver / Q000032:analysis* / Q000166:cytology; D008854:Microscopy, Electron; D010759:Phosphorus Isotopes; D012313:RNA / Q000096:biosynthesis; D051381:Rats; D012270:Ribosomes / Q000378:metabolism
chemical_list: D010759:Phosphorus Isotopes; D012313:RNA; D004247:DNA