Differential utilization of pyrimidines for RNA synthesis in two classes of rat liver nuclei.
D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism*; D002499:Centrifugation, Density Gradient; D008099:Liver / Q000378:metabolism; D009705:Nucleosides / Q000378:metabolism; D009963:Orotic Acid / Q000378:metabolism; D011743:Pyrimidines / Q000378:metabolism*; D012313:RNA / Q000096:biosynthesis*; D051381:Rats; D014316:Tritium
D009705:Nucleosides; D011743:Pyrimidines; D014316:Tritium; D009963:Orotic Acid; D012313:RNA