The Motion of the Hydrocarbon Chains of Phospholipids in the Bilayer

question 11

Multiple Choice

The motion of the hydrocarbon chains of phospholipids in the bilayer of biological membranes is best described as

• A) rapid, thermally induced random motion.
• B) rapid and highly ordered.
• C) catalyzed by specific integral membrane proteins.
• D) trans-gauche motions about carbon single bonds induced by visible light.
• E) slow when compared to the flip-flop motion of the polar head groups.

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