Activation of RNA synthesis associated with gastrulation.
D000818:Animals; D001001:Anura; D001345:Autoradiography; D002850:Chromatography, Gel; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D066298:In Vitro Techniques; D008967:Molecular Biology; D012313:RNA / Q000096:biosynthesis*
D012313:RNA