title: A thermal sensitive function of KB cell DNA-dependent RNA polymerase IB involved in RNA chain growth.
mesh_terms: D002466:Cell Nucleolus / Q000032:analysis; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D003609:Dactinomycin / Q000494:pharmacology; D006358:Hot Temperature; D006801:Humans; D012313:RNA / Q000096:biosynthesis*; D012318:RNA Polymerase I / Q000302:isolation & purification / Q000378:metabolism*; D014158:Transcription, Genetic / Q000187:drug effects
chemical_list: D003609:Dactinomycin; D012313:RNA; D012321:DNA-Directed RNA Polymerases; D012318:RNA Polymerase I