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A plasma membrane is made of a phospolipid bi-layer. Think of a plasma membrane like a grilled cheese sandwich. The bread on the outside of the sandwich is similar to the polar head of the plasma membrane, and the cheese on the inside is similar to the fatty tails on the inside of the membrane. If you tried to run water through the grilled cheese sandwich it would not get through the cheese center, much like water will not get through the center of a plasma membrane.

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12y ago
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13y ago

It is made of:

Lipid bilayers containing phospholipids,steroids,proteins and carbohydrates

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13y ago

phospholipid bilayer

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14y ago

Yes

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Q: What is a plasma membrane made of?
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