In a cell, what is the function of the cell membrane? it controls the entry and exit of substances. it removes waste and stores ingested food. it generates energy for the cell. it only maintains the cell shape.

i believe the answer would be b. hope it : )

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called