If an organism lives in an environment where significant temperature fluctuations occur, and is capable of altering the fatty acid composition of its phospholipid bilayer, which of these choices would best allow membrane integrity to remain stable? (Select all that apply)

Question

Quizplus · Accepted Answer

Stearic acid is a saturated fatty acid. During cold weather, decreasing its incorporation (choice B) increases membrane fluidity, preventing it from becoming too rigid. During hot weather, increasing its incorporation (choice C) helps to stabilize the membrane by making it less fluid and more resistant to the destabilizing effects of high temperatures.

If an Organism Lives in an Environment Where Significant Temperature