title: Membrane changes in a circadian system.
mesh_terms: D001692:Biological Transport; D002118:Calcium / Q000378:metabolism; D002463:Cell Membrane Permeability; D002940:Circadian Rhythm; D003624:Darkness; D008027:Light; D010944:Plants / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism
chemical_list: D011188:Potassium; D002118:Calcium