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According of fluid mosaic model, plasma membrane is composed of

1. phospholipids and oligosaccharides
2. phospholipids and hemicellulose
3. phospholipids and integral proteins
4. phospholipids, extrinsic proteins and intrinsic proteins

Correct answer: phospholipids, extrinsic proteins and intrinsic proteins

Solution

The fluid mosaic model describes the plasma membrane as a phospholipid bilayer containing proteins. These proteins include intrinsic (integral) proteins embedded in the bilayer and extrinsic (peripheral) proteins attached to its surface.

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