title: The effect of cortisone on ribonucleic acid polymerase and ribonuclease during development: coincidental evidence for the identity of ribonucleic acid polymerase with the "operator" gene.
mesh_terms: D002467:Cell Nucleus / Q000187:drug effects* / Q000378:metabolism*; D003348:Cortisone / Q000494:pharmacology*; D003593:Cytoplasm / Q000201:enzymology; D003609:Dactinomycin / Q000494:pharmacology; D004175:Diptera / Q000201:enzymology; D004794:Enzyme Repression; D005796:Genes; D005952:Glucose-6-Phosphatase / Q000378:metabolism; D008675:Metamorphosis, Biological; D008967:Molecular Biology; D009713:Nucleotidyltransferases / Q000378:metabolism*; D012313:RNA / Q000378:metabolism; D012260:Ribonucleases / Q000378:metabolism*; D012469:Salivary Glands / Q000201:enzymology; D014316:Tritium; D014500:Uracil Nucleotides / Q000378:metabolism
chemical_list: D014500:Uracil Nucleotides; D014316:Tritium; D003609:Dactinomycin; D012313:RNA; D009713:Nucleotidyltransferases; D012260:Ribonucleases; D005952:Glucose-6-Phosphatase; D003348:Cortisone