2.4

Plasma Membranes

AP Biology

Plasma membranes

The fluid mosaic model

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Phospholipid bilayer: the foundation

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What can and cannot cross the lipid bilayer

Membrane fluidity

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Membrane proteins

Six major functions of membrane proteins

Carbohydrates on the membrane

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Membrane asymmetry

Selective permeability: the key concept

Connecting to other topics

Vocabulary