Plasma Membrane Structure 4.2.6

Every organism is composed of ​ (a)   , and a plasma membrane ​ (b)   every cell. Your body contains ​ (c)   of cells, so it also contains trillions of plasma membranes. The plasma membrane:

• holds the cytoplasm and other organelles inside the cell; and

• controls what materials ​ (d)   and leave the cell.

Which part of the phospholipid molecule will be attracted to water?

Circle the correct answer.

Labeling the following on the Fluid Mosaic Model:

purple=protein

gray=carbohydrate chain

red=cholesterol

white=phospholipid bilayer

Match the following components of the cell membrane to its function.