| Membrane
Asymmetry, con’t. |
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| • | Transverse
asymmetry |
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| • | Protein
asymmetry first demonstrated for |
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| glycophorin,
a major red cell glycoprotein (See |
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| Figure
9.14) |
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| • | Lipid
asymmetry is also demonstrated for most |
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| membranes
(See Figure 9.10) |
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| • | Rate
of lipid “flipping” is slow, but does |
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| occur. “Flippases” can accelerate the |
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| flipping
rate. (See Figure 9.11) |
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