Help with biology question (1 Viewer)

lazyandcool

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Suggest why marine organisms living in polar regions have a very high proportion of cholestrol in their membranes?:fish:
 

flashy04

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hmm thats a hard one, but i knw that cholesterol keeps the cell not to firm and not too fluid, so mayb the cold has something to do with the firmess of the cell??
 

s0phhhhx

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isnt it to do with like.. umm how fat layers/lipid keeps the warmth in? :)
 

google5678

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Cholesterol in the Plasma membrane increases fluidity and so stops the membrane from freeing and fracturing around from around the living cell. (It basically acts as a membrane anti-freeze).

Hope this helps :)
 

lazyandcool

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thanks :D ``~~~~~~~~~~~~~~~~~~~~~~~~
 
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