[Answer] what can Charged atoms and molecules (ions) pass through?

Answer: membrane transport proteins.

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what can Charged atoms and molecules (ions) pass through? Fri May 31 2019 · Certain ions or atoms bearing a net electric charge are among the favored molecules that can pass but only with some effort. The Cell Membrane: What Does It Do? The cell is the basic unit of life with the tiniest life forms consisting of only a single cell and your own body including trillions. Atoms Molecules and Ions Ions • When atoms lose or gain electrons they become ions . Often they lose or gain electrons to have the same number of electrons as the nearest noble gas. ! Cations are positive and are formed by elements on the left side of the periodic chart (metals). ! Anions are negative and are formed by elements on the right Various proteins including ion channels protein pumps and carrier proteins help large or charged molecules pass through a cell membrane . Ion channels allow ions which are atoms and molecules with missing or extra electrons to pass through a cell membrane. The cell membrane is primarily responsible for maintaining a beneficial environment within the interior of a cell. It does this by controlling the passage of molecules and ions into or out of the cell. Ions are charged atoms in which the number of protons is differen...

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