title: Requirement of messenger RNA synthesis for the first division in heat synchronized Tetrahymenia.
mesh_terms: D000818:Animals; D002455:Cell Division / Q000187:drug effects; D002499:Centrifugation, Density Gradient; D002852:Chromatography, Ion Exchange; D003609:Dactinomycin / Q000494:pharmacology; D006358:Hot Temperature; D008970:Molecular Weight; D012333:RNA, Messenger / Q000096:biosynthesis*; D012260:Ribonucleases; D013769:Tetrahymena pyriformis / Q000187:drug effects / Q000378:metabolism*; D013997:Time Factors
chemical_list: D012333:RNA, Messenger; D003609:Dactinomycin; D012260:Ribonucleases