title: Association of DNA synthesis with the nuclear membrane in sea urchin embryos.
mesh_terms: D000818:Animals; D002455:Cell Division; D002843:Chromatin / Q000378:metabolism; D004247:DNA / Q000096:biosynthesis*; D009685:Nuclear Envelope / Q000378:metabolism*; D012617:Sea Urchins / Q000196:embryology / Q000648:ultrastructure; D013997:Time Factors
chemical_list: D002843:Chromatin; D004247:DNA