16 Questions
What is the primary basis for classifying lipids as a heterogeneous group?
Solubility properties
What is a characteristic of lipids that contain fatty acids?
Being amphipathic
Which of the following is an example of a derived lipid?
Cholesterol
What is the primary function of storage lipids?
To store energy
What is a characteristic of membrane lipids?
Being amphipathic
What is the term for lipids that are soluble in organic solvents but not in water?
Insoluble
What is the typical number of carbon atoms in the hydrocarbon chain of fatty acids?
Between 4 to 36 carbons
What is the difference between saturated and unsaturated fatty acids?
Saturated fatty acids have single bonds, while unsaturated fatty acids have double bonds
What is the common name of the fatty acid with the shorthand notation 16:0?
Palmitic acid
What is the effect of cis double bonds on the structure of fatty acids?
Cis double bonds introduce kinks in the structure
What is the effect of unsaturation on the melting point of fatty acids?
Unsaturation decreases the melting point of fatty acids
What is the difference between omega-6 and omega-3 polyunsaturated fatty acids?
Omega-6 and omega-3 differ in the location of the first double bond
What is the function of essential fatty acids in the body?
They are required for cellular function and must be obtained through the diet
What is the difference between trans and cis fatty acids?
Trans fatty acids have a double bond on the opposite side of the carbon chain
What is the result of consuming trans fatty acids?
It increases the risk of cardiovascular disease
What is the typical configuration of double bonds in unsaturated fatty acids?
Mostly cis, with some trans
This quiz covers the structure and properties of different types of lipids, including storage lipids, membrane lipids, and signaling lipids. Learn about fatty acids and their importance in biochemistry.
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