A fatty acid with one carbon–carbon double bond is described as _____.
Answer
monounsaturated
Explanation
A monounsaturated fatty acid has one double bond. A polyunsaturated fatty acid has two or more, while a saturated fatty acid has no carbon–carbon double bonds. **Key takeaway:** The number of double bonds defines the saturation category. **Glossary:** Unsaturated: containing one or more carbon–carbon double bonds.