Peroxidase enzymes in the blood cells oxidize chemicals in the resin resulting in a characteristic blue-green color change.
(Peroxidase enzymes in the blood cells; oxidize; chemicals; L:in the resin) (the resin; resulting; in a characteristic blue-green color change)
Peroxidase enzymes in the blood cells the resin
oxidize resulting
chemicals L:in the resin
in a characteristic blue-green color change