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Lipid bilayers can exist in a gel-like state or a more fluid-like state, which is a...

Lipid bilayers can exist in a gel-like state or a more fluid-like state, which is a function of both temperature and lipid composition. Which of these states is more common in a biological membrane and why? Specifically address the advantages this may provide for associated membrane proteins.

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The fluid like state of plasma membrane is more common because fluid state of membrane is required to maintain fluidity of membrane which in turn required for the selective transport of substance across the biological membrane.  

The advantage for the associated membrane proteins are fluidity of the membrane help membrane proteins to anchor them and help in the transport of useful and selective substance across a biological membrane. These protein could be temporally attach or attach permanently . Extracelluar substance come inside the cell with the help of these proteins.

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