Look at the cross section of a membrane of a eukaryotic cell. h+ ions are being pumped from a low concentration to a high concentration. how do you describe this type of transport across the cell membrane?

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The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

The category is the thing that is most simmilar throughout a period