title: Activity of RNA polymerase of the brain of rats of various ages.
mesh_terms: D000375:Aging; D000818:Animals; D001921:Brain / Q000201:enzymology*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D005260:Female; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D012321:DNA-Directed RNA Polymerases