Experimental Results from Five Different Studies on Cell Membranes Are

question 62

Multiple Choice

Experimental results from five different studies on cell membranes are given.Which results could be used as evidence to support the claim that temperature affects a membrane's fluidity?

• A) Results from freeze-fracture imaging of cell membranes isolated from blood cells of Arctic and desert rabbits
• B) A comparison of diffusion rates of different membrane proteins at 37°C in the cell membranes of liver cells from mice
• C) A chemical analysis of the saturated and unsaturated fatty acid content in membranes of intestinal cells from a single population of tropical frogs
• D) A comparison of lipid compositions of membranes in different cells within the same organism
• E) An analysis of the change in fatty acid compositions of liver cell membranes in a fish species before and after they migrate from warm to cold waters

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