AP Biologyeasymcq1 pt
What is a key function of cholesterol in animal cell membranes?
A.Moderating membrane fluidity across temperatures
B.Carrying oxygen
C.Storing glucose
D.Catalyzing DNA replication
Explanation
Core Concept
Cholesterol's rigid rings prevent tails from packing at low temperature and restrain movement at high temperature, keeping the membrane fluidity in a workable range.
Correct Answer
AModerating membrane fluidity across temperatures
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