Transfectants were exposed to varying concentrations ( 0-125 microM ) of zinc sulfate that produced a 3-fold range of membrane G ( S ) alpha expression .
transfectants were exposed to varying concentrations ( 0-125 microm ) of zinc sulfate that produced a 3-fold range of membrane g ( s ) alpha expression .
O O O O O O O O O O O B-inorganic I-inorganic O O O O O O B-other_name B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O