In Extremely Cold Regions, Woody Species May Survive Freezing Temperatures

Multiple Choice

In extremely cold regions, woody species may survive freezing temperatures by

A) emptying water from the vacuoles to prevent freezing.
B) decreasing the numbers of phospholipids in cell membranes.
C) decreasing the fluidity of all cellular membranes.
D) producing canavanine as a natural antifreeze.
E) increasing cytoplasmic levels of specific solute concentrations, such as sugars.