title: [Daily variations of RNA polymerase B in the liver of rats maintained in controlled environmental conditions: quantitative determination of the molecules of the enzymes].
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D003624:Darkness; D004780:Environment, Controlled; D008027:Light; D008099:Liver / Q000201:enzymology*; D008297:Male; D008970:Molecular Weight; D051381:Rats
chemical_list: D012321:DNA-Directed RNA Polymerases
vernacular_title: Variazioni giornaliere dell'attivita' RNA polimerasica B nel fegato di ratto mantenuto in condizioni ambientali controllate: determinazione quantitativa delle molecole dell'enzima