Multiple Choice
Which of the following organs does not secrete a lipase enzyme?
32. Lipids
Intro to Lipids
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Which of the following statements describes an unsaturated fat?
A
It contains only single bonds in its fatty acid chains.
B
It is solid at room temperature.
C
It contains one or more double bonds in its fatty acid chains.
D
It is typically found in animal fats.
Verified step by step guidance1
Understand the definition of unsaturated fats: Unsaturated fats are types of fats that contain one or more double bonds in their fatty acid chains. This is a key characteristic that differentiates them from saturated fats, which have only single bonds.
Analyze the given options: The problem provides several statements about fats. We need to identify which statement correctly describes an unsaturated fat.
Evaluate the first statement: 'It contains only single bonds in its fatty acid chains.' This describes saturated fats, not unsaturated fats, because unsaturated fats have double bonds.
Evaluate the second statement: 'It is solid at room temperature.' This is typically true for saturated fats, which are solid at room temperature, whereas unsaturated fats are usually liquid.
Evaluate the third statement: 'It contains one or more double bonds in its fatty acid chains.' This is the correct description of unsaturated fats, as they have double bonds that create kinks in the fatty acid chains, preventing them from packing tightly and remaining liquid at room temperature.
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