Which type of lipid serves as fuel for the body when energy is needed?
1. Phospholipids
2. Triglycerides
3. Steroids
4. Lecithins
Correct Answer: 2
Rationale: Triglycerides account for 90% of the lipids in the body, and serve as an important energy source. There are three types of lipids important for humans: triglycerides, phospholipids, and steroids. Lecithins are a phospholipid.
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