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Could anyone explain sterols?

by hivesaeed4
Tags: explain, sterols
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Feb2-13, 01:05 AM
P: 217
I don't get what they are. My professor said that they were receptors (present in the cell membrane) for different microorganisms but I just can't understand it because my understanding of a receptor is like a receptor for a hormone. Do sterols work similarly?
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Feb2-13, 04:48 PM
P: 163
Feb2-13, 05:47 PM
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Sterols are not receptors for microorganisms. They are a class of lipids that play a number of roles in the body. Some sterols are hormones that act on nuclear receptors.

Feb5-13, 01:38 PM
P: 6
Could anyone explain sterols?

Sterols found in the cell membrane typically serve a structural role; they decrease the fluidity of the membrane. As an example, a plant adapted to survive in colder temperatures will typically have fewer sterols in its cells' membranes than, say, a plant adapted for tropical environments.

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