Different cell membranes can have different functions depending on the____.

A) content of cholesterol molecules in the membrane
B) lengths of phospholipid fatty acids
C) ratio of saturated to unsaturated fatty acids in the phospholipids
D) proteins that are anchored to the membrane
E) presence or absence of a cell cortex

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Simon Arcrap · Accepted Answer

Final Answer : D, Explanation :  The proteins that are anchored to the membrane can determine the function of the membrane. Proteins can act as receptors, transporters, enzymes, and channels, among other things, which are all essential for the membrane's specific function. The content of cholesterol and the length of phospholipid fatty acids can affect the membrane's fluidity, while the ratio of saturated to unsaturated fatty acids in the phospholipids can affect the membrane's stability. The presence or absence of a cell cortex can influence the shape and mechanical properties of the membrane but not necessarily the function of the membrane.

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