Animal DNA-dependent RNA polymerases. Analysis of the RNAs synthesized on Simian virus 40 superhelical DNA by mammalian RNA polymerases AI and B.

Animals Carbon Radioisotopes Cattle Centrifugation, Density Gradient DNA-Directed RNA Polymerases/metabolism Deoxyribonucleases Kinetics Liver/enzymology Nucleic Acid Denaturation Nucleic Acid Hybridization Organ Specificity Pancreas/enzymology Phosphorus Radioisotopes RNA/analysis RNA, Viral/metabolism Rats Simian virus 40/metabolism Species Specificity Thymus Gland/enzymology Time Factors Transcription, Genetic Tritium

Carbon Radioisotopes Phosphorus Radioisotopes RNA, Viral Tritium RNA DNA-Directed RNA Polymerases Deoxyribonucleases