Measurements of potassium ion activity in the cytoplasm of the Characeae as a test of the sorption theory.
D002463:Cell Membrane Permeability / Q000502:physiology*; D003593:Cytoplasm / Q000378:metabolism*; D007474:Ion Exchange; D008564:Membrane Potentials; D018521:Plant Physiological Phenomena; D010944:Plants / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism*
D011188:Potassium