title: Template-engaged and free RNA polymerases during Xenopus erythroid cell maturation.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000187:drug effects / Q000201:enzymology; D012321:DNA-Directed RNA Polymerases / Q000097:blood*; D004900:Erythroblasts / Q000201:enzymology*; D004912:Erythrocytes / Q000201:enzymology*; D004920:Erythropoiesis; D005260:Female; D012313:RNA / Q000096:biosynthesis; D012319:RNA Polymerase II / Q000378:metabolism; D013501:Surface-Active Agents / Q000494:pharmacology; D014158:Transcription, Genetic; D014981:Xenopus
chemical_list: D013501:Surface-Active Agents; D012313:RNA; D012319:RNA Polymerase II; D012321:DNA-Directed RNA Polymerases