2

Structure and Functions of Cell Membrane

CHAPTER OBJECTIVES
2.1. FLUID–MOSAIC MODEL

Between the living machinery inside a cell and the harsh conditions of the outside world stands the cell's plasma membrane which serves as a barrier. The plasma membrane consists of both lipids and proteins. While lipids are the fundamental structural elements of membranes, proteins are responsible for carrying out specific membrane functions. Most plasma membranes consist of approximately 50 per cent lipid and 50 per ...

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