the authors investigated the in vitro functional differentiation of fetal mouse liver cultured in rose 's circumfusion system with the use of two biochemical markers : the analysis of the inductive response of key enzymes in carbohydrate metabolism to insulin , and the analysis of the liver-specific isozyme of pyruvate kinase [ ec 2.7.1.40 ] .
C0014442
enzymes
C0022173
isozyme