title: Do increases in enzyme activities during muscle differentiation reflect expression of new genes?
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002459:Cell Fusion; D002642:Chick Embryo; D003402:Creatine Kinase / Q000096:biosynthesis*; D005796:Genes; D007527:Isoenzymes / Q000096:biosynthesis*; D009132:Muscles / Q000196:embryology* / Q000201:enzymology / Q000378:metabolism
chemical_list: D007527:Isoenzymes; D003402:Creatine Kinase