In order to study a cell at lower temperatures, a researcher must artificially increase its membrane fluidity. What would be a reasonable strategy for increasing plasma membrane fluidity at low temperatures?
A. decrease the length of the phospholipid fatty acyl tail.
B. increase the composition of phospholipids with saturated fatty acid chains
C. decrease the composition of phospholipids with unsaturated fatty acid chains
D. decrease the composition of cholesterol in the plasma membrane
E. All of the strategies are reasonable.
Answer: A
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