Which of the following statements best explains how the membranes in winter wheat are able to remain fluid in extremely cold temperatures?
A) The membranes contain an increased proportion of unsaturated phospholipids.
B) The membranes contain a reduced proportion of cholesterol molecules.
C) The membranes contain a reduced proportion of hydrophobic proteins.
D) The membranes contain an increased proportion of glycolipids.

Question

Quizplus · Accepted Answer

The membranes in winter wheat remain fluid at extremely cold temperatures primarily because they contain an increased proportion of unsaturated phospholipids. Unsaturated phospholipids have kinks in their fatty acid tails due to double bonds, which prevent the molecules from packing closely together, thus maintaining membrane fluidity even in cold conditions.

Which of the Following Statements Best Explains How the Membranes