title: Polyadenylic acid-containing RNA and its polyadenylic acid sequences newly synthesized in isolated embryonic cells of Xenopus laevis.
mesh_terms: D000241:Adenosine / Q000378:metabolism; D000818:Animals; D001483:Base Sequence; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D011061:Poly A / Q000096:biosynthesis* / Q000302:isolation & purification; D012313:RNA / Q000096:biosynthesis* / Q000302:isolation & purification; D014529:Uridine / Q000378:metabolism; D014981:Xenopus / Q000196:embryology*
chemical_list: D011061:Poly A; D012313:RNA; D000241:Adenosine; D014529:Uridine