title: Membrane model for the circadian clock.
mesh_terms: D000818:Animals; D001692:Biological Transport; D001693:Biological Transport, Active; D002463:Cell Membrane Permeability; D002940:Circadian Rhythm; D004330:Drosophila; D056890:Eukaryota; D005246:Feedback; D007477:Ions; D007700:Kinetics; D008027:Light; D008954:Models, Biological; D010786:Photoreceptor Cells / Q000166:cytology / Q000502:physiology; D010944:Plants
chemical_list: D007477:Ions