Wednesday 8 January 2014

Use the fluid-mosaic model to explain appropriate properties of plasma membranes.

Receptors enable the cell to detect hormonal messages;
Enzymes aid chemical reactions outside the cell;
Protein channels facilitate diffusion across the membrane;
Carrier proteins are involved in facilitated diffusion and active transport;
The phospholipid bilayer is semi-permeable so lets water and other substances diffuse in and out.

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