title: Effects of various concentrations of Na +  and Mg 2+  on the activity of  -galactosidase.
mesh_terms: D003956:Dialysis; D004789:Enzyme Activation; D005690:Galactose; D005696:Galactosidases / Q000037:antagonists & inhibitors*; D006027:Glycosides; D007700:Kinetics; D008274:Magnesium; D008433:Mathematics; D009596:Nitrophenols; D009994:Osmolar Concentration; D012964:Sodium
chemical_list: D006027:Glycosides; D009596:Nitrophenols; D012964:Sodium; D005696:Galactosidases; D008274:Magnesium; D005690:Galactose