title: Incorporation of radiophosphorus into nucleic acids of frog embryo.
mesh_terms: D000818:Animals; D001001:Anura / Q000196:embryology / Q000378:metabolism*; D046508:Culture Techniques; D004247:DNA / Q000032:analysis; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D005314:Embryonic and Fetal Development; D005260:Female; D008297:Male; D009696:Nucleic Acids / Q000096:biosynthesis*; D010759:Phosphorus Isotopes / Q000378:metabolism*; D012333:RNA, Messenger / Q000032:analysis; D012343:RNA, Transfer / Q000032:analysis
chemical_list: D009696:Nucleic Acids; D010759:Phosphorus Isotopes; D012333:RNA, Messenger; D004247:DNA; D012343:RNA, Transfer