In hibernating animals during the winter,
A) signal transduction pathways cease.
B) membrane lipid composition changes: saturated fatty acids are replaced with unsaturated fatty acids.
C) membranes toughen as more saturated fatty acids accumulate in them.
D) there are no changes in lipid composition.
E) integral proteins shrink as temperatures fall.

Question

Quizplus · Accepted Answer

Membrane lipid composition changes in hibernating animals during the winter. Specifically, saturated fatty acids are replaced with unsaturated fatty acids, which helps maintain membrane fluidity at low temperatures.

In Hibernating Animals During the Winter