title: Hypercycles, parasites and packages.
mesh_terms: D001482:Base Composition; D008954:Models, Biological; D009154:Mutation; D012333:RNA, Messenger / Q000378:metabolism; D012343:RNA, Transfer / Q000235:genetics*; D012324:RNA-Dependent RNA Polymerase / Q000378:metabolism
chemical_list: D012333:RNA, Messenger; D012343:RNA, Transfer; D012324:RNA-Dependent RNA Polymerase