Answer: the main function is to control what goes in and out of the cell. It is made of a double layer of lipids (fats) imbedded with odd-looking protein molecules. Because it is a fat, only some things that are very tiny, like water and oxygen pass through this part.
Explanation:
Potential and kinetic energy. Most object have kinetic energy. If an object is moving it is a kinectic energy. Potential energy is an energy stored in the position or arrangement of the object.
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