title: Electrical gradients across an ion-exchange membrane in student's artificial cell.
mesh_terms: D002463:Cell Membrane Permeability; D008564:Membrane Potentials; D008567:Membranes, Artificial; D010827:Physiology / Q000193:education*; D011188:Potassium / Q000378:metabolism*; D013664:Teaching Materials
chemical_list: D008567:Membranes, Artificial; D011188:Potassium