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Biology 1-8 cumulative

Question:

Some regions of the plasma membrane, called lipid rafts, have a higher concentration of cholesterol molecules. As a result, these lipid rafts

A) are able to flip from inside to outside.
B) are more fluid than the surrounding membrane.

C) have higher rates of lateral diffusion of lipids and proteins into and out of the lipid rafts.

D) are more rigid than the surrounding membrane.

E) detach from the plasma membrane and clog arteries.

Answer:
D) are more rigid than the surrounding membrane.
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Last update by dangkathy04 on 05/03/2014
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Biology 1 8 cumulative
Biology 1-8 cumulative
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Question: Some regions of the plasma membrane, called lipid rafts, have a higher concentration of cholesterol molecules. As a result, these lipid rafts A) are able to flip from inside to outside. B) are more fluid than the surrounding membrane. C) have higher rates of lateral diffusion of lipids and proteins into and out of the lipid rafts. D) are more rigid than the surrounding membrane. E) detach from the plasma membrane and clog arteries.
Answer: D) are more rigid than the surrounding membrane.