the genetic basis for species differences in tissue enzyme specific activities of malate dehydrogenase ( ec 1.1.1.37 ) , lactate dehydrogenase ( ec 1.1.1.27 ) , phosphoglucomutase ( ec 2.7.5.1 ) , and glucosephosphate isomerase ( ec 5.3.1.9 ) was investigated by determining enzyme specific activities in the tissues of the reciprocal f1 hybrids and of their backcross progenies .
C0022917
lactate dehydrogenase
C0030016
ec