CELL MEMBRANES AND CELL TRANSPORT

CELL MEMBRANES AND CELL TRANSPORT - * Cell membranes are...

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CELL MEMBRANES AND CELL TRANSPORT   Fluid-Mosaic Model of the Cell Membrane   * Cell membranes consist of a phospholipid bilayer (double layer), associated with a  variety of proteins.   * The proteins may serve as signal molecules, transport molecules, receptor sites, or  carrier molecules.
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Unformatted text preview: * Cell membranes are characterized by being "selectively permeable". Transport Mechanisms * Passive Transport Mechanisms: 1. diffusion 2. osmosis 3. facilitated diffusion * Active Transport Mechanisms: 4. active transport 5. endocytosis (phagocytosis/pinocytosis)/ exocytosis...
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