title: Ribonucleic acid polymerase activity in cardiomyopathic hamster heart nuclei.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D000645:Ammonium Sulfate; D000818:Animals; D002247:Carbon Isotopes; D009202:Cardiomyopathies / Q000201:enzymology*; D002467:Cell Nucleus / Q000201:enzymology*; D006224:Cricetinae; D008274:Magnesium / Q000378:metabolism; D008345:Manganese / Q000378:metabolism; D009206:Myocardium / Q000201:enzymology*; D012313:RNA / Q000096:biosynthesis; D012316:RNA Nucleotidyltransferases / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D008345:Manganese; D012313:RNA; D000255:Adenosine Triphosphate; D012316:RNA Nucleotidyltransferases; D008274:Magnesium; D000645:Ammonium Sulfate