title: RNA polymerases in the germinal vesicle contents of Rana pipiens oocytes.
mesh_terms: D000818:Animals; D001001:Anura; D002467:Cell Nucleus / Q000201:enzymology; D002852:Chromatography, Ion Exchange; D012321:DNA-Directed RNA Polymerases / Q000302:isolation & purification* / Q000378:metabolism; D005260:Female; D010063:Ovum / Q000166:cytology / Q000201:enzymology*; D011894:Rana pipiens; D014316:Tritium; D014500:Uracil Nucleotides / Q000378:metabolism
chemical_list: D014500:Uracil Nucleotides; D014316:Tritium; D012321:DNA-Directed RNA Polymerases