Final answer:
The fluid mosaic model describes the plasma membrane as a mosaic of components in constant lateral movement, giving it a fluid character. It enables the proper functioning of enzymes and transport molecules within the membrane.
Step-by-step explanation:
The fluid mosaic model describes the structure of the plasma membrane as a mosaic of components, including phospholipids, cholesterol, proteins, and carbohydrates. It reflects the constant lateral movement of both proteins and phospholipids in the membrane, giving it a fluid character. This movement allows for the proper functioning of enzymes and transport molecules within the membrane.