Membrane Structure

Question 1

Describe the fluid-mosaic model of the cell membrane.

Answer 1

The cell membrane is composed of a bi-layer of phospholipids with proteins and other macromolecules embedded (giving a mosaic appearance). The membrane is dynamic and able to move in a fluid-like manner.

Question 2

State one function of the proteins embedded in the cell membrane.

Answer 2

Allow the passage of substances across the membrane, receptor molecules