title: Activity of the endogenous RNA polymerase on fixed polytene chromosomes.
mesh_terms: D000818:Animals; D002875:Chromosomes / Q000201:enzymology* / Q000378:metabolism; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D003609:Dactinomycin / Q000494:pharmacology; D004330:Drosophila; D004926:Escherichia coli / Q000201:enzymology; D006358:Hot Temperature; D006851:Hydrochloric Acid / Q000494:pharmacology; D008274:Magnesium / Q000494:pharmacology; D008345:Manganese / Q000494:pharmacology; D012260:Ribonucleases / Q000494:pharmacology; D014158:Transcription, Genetic
chemical_list: D003609:Dactinomycin; D008345:Manganese; D012321:DNA-Directed RNA Polymerases; D012260:Ribonucleases; D008274:Magnesium; D006851:Hydrochloric Acid