Plasma Membranes

AP Biology· difficulty 2/5

integral channel

The fluid mosaic model describes the cell membrane as

  • A

    A solid crystalline lattice of cholesterol with surface glycoproteins

  • B

    A pure protein network with embedded carbohydrates and no lipid layer

  • C

    A rigid lipid sheet with proteins anchored permanently in fixed positions

  • D

    A fluid phospholipid bilayer with proteins embedded and free to drift laterally

    check_circle

Explanation

Phospholipids and most proteins move laterally within the bilayer — the membrane is a 2D fluid with embedded "mosaic" of proteins.

Want 10 more like this — adaptive to your weak spots?

Related questions