the heterogeneous distribution of the glycolytic enzymes hexokinase , glyceraldehyde-3-phosphate dehydrogenase and lactate dehydrogenase , and the heterogeneous localization of the pyruvate kinase isoenzymes types m1 and m2 indicate that glycolysis is distributed heterogeneously within the unfertilized hen egg cell .
C0014442
enzymes
C0022173
isoenzymes