title: Poly(A)-attached RNA as activator in embryonic differentiation.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001755:Blastocyst / Q000166:cytology*; D001756:Blastoderm / Q000166:cytology*; D001973:Bromodeoxyuridine / Q000494:pharmacology; D002417:Cattle; D002454:Cell Differentiation; D002642:Chick Embryo; D002645:Chickens; D003470:Culture Media; D003609:Dactinomycin / Q000494:pharmacology; D006321:Heart / Q000196:embryology; D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase / Q000032:analysis; D008854:Microscopy, Electron; D009206:Myocardium / Q000032:analysis / Q000201:enzymology; D012333:RNA, Messenger / Q000302:isolation & purification / Q000378:metabolism*; D013997:Time Factors; D014316:Tritium
chemical_list: D003470:Culture Media; D007527:Isoenzymes; D012333:RNA, Messenger; D014316:Tritium; D003609:Dactinomycin; D007770:L-Lactate Dehydrogenase; D001973:Bromodeoxyuridine