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Complete the following statements to explain how the plasma membrane functions within cells. Choices may be used more than once 1. The cell membrane is primarily composed of a single layer of phospholipids v 2. This means that there are (Click to select) v layer(s) of (Click to select) v 3. In the outer layer of the membrane, the (Click to select) | head points outward towards the external environment. 4. In the inner layer of the membrane, the (Click to select) |head points inward towards the internal environment. 5. This means the (Click to select) v tails point toward each other in the center of the plasma membrane. 6. Molecules of (Click to select) v are embedded within the membrane to give it fluidity, and (Click to select) |are embedded within the membrane to aid in the transport of molecules. 7. Molecules like (Click to select) | can move across membranes easily, but other molecules like (Click to select) | require energy to pass through