lactose + H2O => D-glucose + D-galactose (Drosophila melanogaster)
lactose + h2o => d-glucose + d-galactose (drosophila melanogaster)
lactose + H2O => D-glucose + D-galactose (Drosophila melanogaster)
lactose + h2o => d-glucose + d-galactose (drosophila melanogaster)