MCAT Biochemistry Question 64: Answer and Explanation
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Question: 64
4. Soap bubbles form because fatty acid salts organize into:
- A. lysosomes.
- B. micelles.
- C. phospholipid bilayers.
- D. hydrogen bonds.
Correct Answer: B
Explanation:
Fatty acid salt micelles are responsible for the formation of soap bubbles. While phospholipids can form bilayers, as in choice (C), the fatty acids in soap are free fatty acids, not phospholipids.