title: Molecular biology of R factors.
mesh_terms: D002678:Chimera; D002876:Chromosomes, Bacterial; D004261:DNA Replication; D004352:Drug Resistance, Microbial; D006824:Hybridization, Genetic; D008967:Molecular Biology; D010957:Plasmids; D011815:R Factors; D012329:RNA, Bacterial / Q000502:physiology
chemical_list: D012329:RNA, Bacterial