title: Stage-specific mRNAs coding for subtypes of H2A and H2B histones in the sea urchin embryo.
mesh_terms: D000818:Animals; D002474:Cell-Free System; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D006657:Histones / Q000032:analysis / Q000096:biosynthesis*; D014176:Protein Biosynthesis; D012333:RNA, Messenger / Q000235:genetics*; D012617:Sea Urchins; D013997:Time Factors
chemical_list: D006657:Histones; D012333:RNA, Messenger