title: Chick brain creatine kinase ontogeny before the advent of creatine and insulin.
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects / Q000196:embryology / Q000201:enzymology*; D002642:Chick Embryo; D003401:Creatine / Q000096:biosynthesis; D003402:Creatine Kinase / Q000096:biosynthesis*; D003600:Cytosol / Q000201:enzymology; D007328:Insulin / Q000494:pharmacology*; D008928:Mitochondria / Q000201:enzymology
chemical_list: D007328:Insulin; D003402:Creatine Kinase; D003401:Creatine