title: In vivo incorporation of labeled amino acids into nuclear proteins of the sea urchin embryos.
mesh_terms: D000596:Amino Acids / Q000032:analysis / Q000378:metabolism*; D000818:Animals; D002247:Carbon Isotopes; D002454:Cell Differentiation; D002467:Cell Nucleus / Q000378:metabolism*; D002845:Chromatography; D004247:DNA / Q000032:analysis / Q000096:biosynthesis; D004447:Echinodermata / Q000378:metabolism*; D004586:Electrophoresis; D004625:Embryo, Nonmammalian / Q000378:metabolism; D005260:Female; D006657:Histones / Q000032:analysis / Q000096:biosynthesis; D008722:Methods; D009698:Nucleoproteins / Q000032:analysis / Q000096:biosynthesis*; D010063:Ovum / Q000378:metabolism
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D006657:Histones; D009698:Nucleoproteins; D004247:DNA