title: Sea urchin thymidylate synthetase. Changes of activity during embryonic development.
mesh_terms: D000818:Animals; D002455:Cell Division; D004247:DNA / Q000096:biosynthesis; D004625:Embryo, Nonmammalian / Q000201:enzymology*; D008780:Methyltransferases / Q000378:metabolism*; D008938:Mitosis; D012617:Sea Urchins; D013940:Thymidylate Synthase / Q000378:metabolism*
chemical_list: D004247:DNA; D008780:Methyltransferases; D013940:Thymidylate Synthase