The presence of cholesterol in the cell membrane of some animals: O increases the fluidity of the membrane at all temperatures. O decreases the fluidity of the membrane at hot temperatures. helps...

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Extracted text: The presence of cholesterol in the cell membrane of some animals: O increases the fluidity of the membrane at all temperatures. O decreases the fluidity of the membrane at hot temperatures. helps attach the membrane to the cytoskeleton. helps keep integral proteins in the membrane. O makes the organism more susceptible to circulatory disorders.