title: Extension of RNA molecules with DNA. An approach to the study of termination sequences recognised by RNA polymerase.
mesh_terms: D001483:Base Sequence; D002474:Cell-Free System; D002499:Centrifugation, Density Gradient; D003090:Coliphages; D004254:DNA Nucleotidyltransferases / Q000378:metabolism*; D004270:DNA, Circular; D004279:DNA, Viral / Q000032:analysis / Q000096:biosynthesis*; D012321:DNA-Directed RNA Polymerases; D004926:Escherichia coli / Q000201:enzymology; D009693:Nucleic Acid Hybridization; D010759:Phosphorus Isotopes; D012367:RNA, Viral / Q000032:analysis; D014158:Transcription, Genetic
chemical_list: D004270:DNA, Circular; D004279:DNA, Viral; D010759:Phosphorus Isotopes; D012367:RNA, Viral; D004254:DNA Nucleotidyltransferases; D012321:DNA-Directed RNA Polymerases