title: Relative amounts of newly synthesized poly(A)+ and poly(A)- messenger RNA during development of Xenopus laevis.
mesh_terms: D000818:Animals; D002458:Cell Fractionation; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D008970:Molecular Weight; D011061:Poly A; D011132:Polyribosomes / Q000032:analysis; D012313:RNA / Q000032:analysis; D012333:RNA, Messenger / Q000032:analysis / Q000096:biosynthesis*; D012335:RNA, Ribosomal / Q000032:analysis; D014981:Xenopus
chemical_list: D012333:RNA, Messenger; D012335:RNA, Ribosomal; D011061:Poly A; D012313:RNA