Which of the Following Describes Phospholipids in the Plasma Membrane

Question

Which of the following describes phospholipids in the plasma membrane?
A) The phospholipid tails are hydrophobic.
B) The phospholipid tails are hydrophilic.
C) The phospholipid heads are hydrophobic.
D) The phospholipid tails are at the surface.
E) The phospholipid heads are on the inside.

Accepted Answer

Phospholipids have a polar head that is hydrophilic and a nonpolar tail that is hydrophobic. In the plasma membrane, the hydrophobic tails face towards the interior of the membrane while the hydrophilic heads face towards the exterior and interior of the cell.