Answer:
The vesicle membrane is composed of a phospholipid bilayer, which is a double layer of phospholipid molecules. The phospholipids are arranged in a "head-to-tail" fashion, with the hydrophilic (water-loving) heads facing outward and the hydrophobic (water-fearing) tails facing inward. The membrane also contains proteins, cholesterol, and other molecules that help to regulate the movement of substances in and out of the vesicle.
Step-by-step explanation: