the dermal cells in grey , xanthic , and white goldfish integuments were cytochemically characterized for the following enzymatic activities : tyrosinase , dopa-oxidase , cytochrome oxidase , monoamine oxidase , peroxidase , non-specific esterase , cholinesterase , nad-diaphorase , nadp-diaphorase , aryl sulfatase , nucleotide phosphodiesterase , beta-glucuronidase , acid phosphatase , alkaline phosphatase , adenosine triphosphatase , thiamine pyrophosphatase , glucose-6-phosphatase , aldolase , as well as succinate , malate , isocitrate , glutamate , glucose-6-phosphate , 6-phosphogluconate , alpha-glycerophosphate , alcohol , lactate , and beta-hydroxybutyrate dehydrogenases .
C0012524
tyrosinase
C0041484
dopa-oxidase