Which of the following statement is incorrect5 for fats containing unsaturated fatty acid_____________?
Correct answer: B. They are usually solid at room temperature
- A. They contain double bond
- B. They are usually solid at room temperature
- C. They are lighter than water
- D. Their specific gravity is less than 1Exploring Local Private K-12 Schools
Explanation
Unsaturated fatty acids contain one or more double bonds that introduce bends in their chains, preventing tight packing and making their fats usually liquid at room temperature. Students may choose the density statement, but fats are generally lighter than water, so their specific gravity is less than 1.
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About Lipids
Lipids include fats, oils, waxes, phospholipids and steroids, which are largely insoluble in water and soluble in organic solvents. Coverage includes glycerol and fatty acids, ester bond formation, saturated and unsaturated fats, triglyceride functions, and phospholipids in cell membranes.
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