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Structure and function of fats, phospholipids, and steroids
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Lipids: Hydrophobic (nonpolar) biological molecules
Structure:
Fatty Acids:
Saturated vs. Unsaturated:
| Saturated | Unsaturated |
|---|---|
| No C=C double bonds |
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| Section | Format | Questions | Time | Weight | Calculator |
|---|---|---|---|---|---|
| Multiple Choice | MCQ | 60 | 90 min | 50% | ๐ซ |
| Free Response (Long) | FRQ | 2 | 50 min | 30% | ๐ซ |
| Free Response (Short) | FRQ | 4 | 40 min | 20% | ๐ซ |
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| One or more C=C double bonds |
| Straight chains | Kinks at double bonds |
| Pack tightly | Pack loosely |
| Solid at room temp (fats) | Liquid at room temp (oils) |
| Animal sources | Plant sources |
| Higher melting point | Lower melting point |
Energy Storage:
Structure:
Biological Role:
Structure:
Examples: