title: Approaches to mapping the temporal events in the cell cycle using conditional lethal mutants.
mesh_terms: D002453:Cell Cycle; D002460:Cell Line; D002875:Chromosomes; D004279:DNA, Viral / Q000096:biosynthesis; D005796:Genes; D005816:Genetic Complementation Test; D008722:Methods; D009154:Mutation; D010957:Plasmids; D014176:Protein Biosynthesis; D012367:RNA, Viral / Q000096:biosynthesis; D013997:Time Factors
chemical_list: D004279:DNA, Viral; D012367:RNA, Viral