The synthesis of infectious RNA with a replicase purified according to its size and density.
D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D003090:Coliphages / Q000378:metabolism*; D009713:Nucleotidyltransferases / Q000032:analysis* / Q000378:metabolism*; D012367:RNA, Viral / Q000096:biosynthesis*
D012367:RNA, Viral; D009713:Nucleotidyltransferases