title: Postnatal development of mouse liver: increasing RNA polymerase activity and orotic acid incorporation.
mesh_terms: D000367:Age Factors; D000546:Amanitins; D000818:Animals; D000831:Animals, Newborn; D002467:Cell Nucleus / Q000378:metabolism; D002845:Chromatography; D012321:DNA-Directed RNA Polymerases / Q000032:analysis / Q000378:metabolism*; D008099:Liver / Q000201:enzymology / Q000254:growth & development / Q000378:metabolism*; D008297:Male; D051379:Mice; D009963:Orotic Acid / Q000378:metabolism*; D012313:RNA / Q000096:biosynthesis*
chemical_list: D000546:Amanitins; D009963:Orotic Acid; D012313:RNA; D012321:DNA-Directed RNA Polymerases