title: Proton electrochemical gradient in Escherichia coli cells and its relation to active transport of lactose.
mesh_terms: D001693:Biological Transport, Active / Q000187:drug effects; D002462:Cell Membrane / Q000502:physiology; D004926:Escherichia coli / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D007785:Lactose / Q000378:metabolism*; D008564:Membrane Potentials; D010101:Oxygen Consumption; D012964:Sodium / Q000494:pharmacology
chemical_list: D012964:Sodium; D007785:Lactose