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Describe the fluid-mosaic model of cell and organelle membranes.
The fluid-mosaic model describes the structure of cell and organelle membranes as a mixture and movement of phospholipids, proteins, glycoproteins, and glycolipids. Cholesterol is also present in some membranes, restricting the lateral movement of other molecules in the membrane, making the membrane less fluid at high temperatures, and preventing water and dissolved ions from leaking out of the cell.
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