title: The purification of cell nuclei from calf uterus by zonal centrifugation in reorienting density gradients.
mesh_terms: D000818:Animals; D002417:Cattle; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000032:analysis* / Q000201:enzymology; D002501:Centrifugation, Zonal; D003579:Cytochrome Reductases / Q000032:analysis; D004247:DNA / Q000032:analysis; D012321:DNA-Directed RNA Polymerases / Q000032:analysis; D003576:Electron Transport Complex IV / Q000032:analysis; D005260:Female; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D009243:NAD; D009713:Nucleotidyltransferases / Q000032:analysis; D012313:RNA / Q000032:analysis; D014599:Uterus / Q000166:cytology*
chemical_list: D009243:NAD; D012313:RNA; D004247:DNA; D003579:Cytochrome Reductases; D003576:Electron Transport Complex IV; D009713:Nucleotidyltransferases; D012321:DNA-Directed RNA Polymerases