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In winter, plants exchange the saturated lipids in their cell membranes for unsaturated lipids.
In winter, plants exchange the saturated lipids in their cell membranes for unsaturated lipids. Unsaturated lipids are “bent” and keep the membranes more fluid, or pliable, because they cannot be stacked closely together. Of what advantage would this be for green stemmed (herbaceous) plants that live through the winter?