Which of the Following Statements Regarding Phospholipids Is NOT Correct

Which of the following statements regarding phospholipids is NOT correct? An example molecule is shown.

A) Phospholipids can contain up to three fatty acids, as long as the phosphate group is somewhere in the molecule.
B) Region I is a polar head group that interacts favorably with water.
C) Region II is a hydrophobic tail region that interacts favorably with tail groups on other phospholipids.
D) When phospholipids are in an aqueous medium, they typically form bilayers.
E) Phospholipids are a primary component of cell walls, isolating the contents of the cell from the outside environment.