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Multiple Choice
Which of the following is not a characteristic of most fatty acids?
A
They are typically found in a cis configuration.
B
They have an even number of carbon atoms.
C
They are soluble in water.
D
They can be saturated or unsaturated.
Verified step by step guidance
1
Understand the structure of fatty acids: Fatty acids are long hydrocarbon chains with a carboxylic acid group at one end. They can vary in length and degree of saturation.
Consider the solubility of fatty acids: Fatty acids are generally insoluble in water due to their long hydrophobic hydrocarbon chains, despite having a polar carboxylic acid group.
Examine the configuration of fatty acids: Most naturally occurring unsaturated fatty acids have a cis configuration, which affects their physical properties and biological functions.
Analyze the carbon atom count: Fatty acids typically have an even number of carbon atoms because they are synthesized from acetyl-CoA, which contains two carbon atoms.
Differentiate between saturated and unsaturated fatty acids: Saturated fatty acids have no double bonds between carbon atoms, while unsaturated fatty acids have one or more double bonds, which can be in cis or trans configurations.