13 Questions
What is the main characteristic of lipids?
Insolubility in organic solvents
Which classification system of lipids is the most commonly used?
Simple lipids
What is the main difference between simple triacylglycerols and mixed triacylglycerols?
Degree of unsaturation of the fatty acids
What is the physical state of oils at 20°C?
Liquid
What kind of fatty acids are generally found in oils of plant origin?
Polyunsaturated fatty acids
What is the composition of simple lipids?
Esters of fatty acids with glycerol
Which statement about triacylglycerols is true?
Mixed triacylglycerols usually have saturated fatty acids on carbon 2.
What distinguishes waxes from neutral fats?
Waxes contain alcohol groups different from those in neutral fats.
What is the main difference between simple and complex lipids?
Simple lipids are derived from other lipid categories.
Which statement is correct about oils at 20°C?
Oils with short chain triglycerides are in liquid state at 20°C.
What are the main constituents of triacylglycerols?
Glycerol and fatty acids
Why are oils generally of plant origin?
Due to the higher proportion of unsaturated fatty acids in plant oils.
Which type of triacylglycerols contain the same kind of fatty acid in all three positions?
'Simple' triacylglycerols
This quiz covers the classification of lipids, their properties, and the most commonly used classification system which includes simple lipids, complex or compound lipids, and derived lipids. The quiz also explores the composition of lipids and their solubility characteristics.
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