title: RNA SYNTHESIS DURING THE DEVELOPMENT OF XENOPUS LAEVIS, THE SOUTH AFRICAN CLAWED TOAD.
mesh_terms: D000818:Animals; D001001:Anura; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D008660:Metabolism; D010063:Ovum; D010759:Phosphorus Isotopes; D012313:RNA; D011874:Radiometry; D012106:Research; D014982:Xenopus laevis
chemical_list: D010759:Phosphorus Isotopes; D012313:RNA
keywords: EMBRYO; EXPERIMENTAL LAB STUDY; METABOLISM; OVUM; PHOSPHORUS ISOTOPES; RADIOMETRY; RNA; TOADS