Regulation by the plasma membrane
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 (Click to select)
2. This means that there are (Click to select) layer(s) of (Click to select)
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) tails point toward each other in the center of the
plasma membrane.
6. Molecules of (Click to select) 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)
molecules like (Click to select)
can move across membranes easily, but other
require energy to pass through.