AP Biologymediummcq1 pt
Unsaturated fatty acids in a membrane make it
A.more fluid
B.more rigid
C.completely impermeable to water
D.unable to host proteins
Explanation
Core Concept
C=C kinks prevent tight packing of tails, so unsaturated membranes stay fluid at lower temperatures — an adaptation of cold-adapted organisms.
Correct Answer
Amore fluid
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