Which of the following types of fatty acids has no carbon–carbon double bonds ($C–C$ double bonds)?

• A. Saturated fatty acids
• B. Polyunsaturated fatty acids
• C. Monounsaturated fatty acids
• D. Trans fatty acids

Answer: (A)

Verified step by step guidance

1. Understand the definition of saturated fatty acids: Saturated fatty acids are types of fatty acids that have no carbon-carbon double bonds. All the carbon atoms are fully 'saturated' with hydrogen atoms.
2. Compare with other types of fatty acids: Monounsaturated fatty acids contain one carbon-carbon double bond, while polyunsaturated fatty acids contain more than one carbon-carbon double bond.
3. Consider trans fatty acids: Trans fatty acids can have carbon-carbon double bonds, but they are in a trans configuration, which affects their physical properties.
4. Identify the key characteristic: The absence of carbon-carbon double bonds is the defining feature of saturated fatty acids.
5. Conclude that saturated fatty acids are the type of fatty acids with no carbon-carbon double bonds, as opposed to the other types listed.