the outer proton heavy is a whole of the proton seawater
tritium is heavy_radioactive_isotope_of_hydrogen. tritium is not heavy_radioactive_isotope_of_hydrogen. proton is rocket. hydrogen_ion is not proton. heavy_water_nuclear_plant is not tangible_thing. outer_nuclear_membrane is not lipid_bilayer. proton is not rocket. outer_nuclear_membrane is lipid_bilayer. hydrogen_ion is proton. proton_transport is not translation_of_ion.