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Questions and Answers
What is the main function of lipids in living organisms?
Which type of fatty acids is solid at room temperature?
What is the main constituent of a lipid polymer called a triglyceride?
Which of the following is an example of a lipid?
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What type of bonds do unsaturated fatty acids have between carbon atoms?
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What is the primary element in lipids?
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Which macromolecules form the basis of lipids?
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What type of bonds do saturated fatty acids have between carbon atoms?
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Which of the following is NOT a type of lipid?
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What is the main function of triglycerides in living organisms?
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Which of the following is a saturated triglyceride?
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What types of macromolecules make up cell membranes in living organisms?
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Study Notes
- Lipids are essential components of every cell membrane in living organisms.
- They are part of the phospholipid membrane that acts as a boundary for cells.
- Lipids include not only fats but also oils, waxes, and steroids.
- Steroids such as cholesterol and hormones like testosterone and estrogen are lipids.
- Lipids are large organic macromolecules made up of carbon, hydrogen, and oxygen.
- Monomers called fatty acids form lipids through chemical bonds.
- Saturated fatty acids have single bonds between carbon atoms, making them solid at room temperature.
- Unsaturated fatty acids have double bonds between carbon atoms, making them liquid at room temperature.
- A lipid polymer called a triglyceride forms when three fatty acids bond to a glycerol molecule.
- Saturated triglycerides contain only saturated fatty acids, while unsaturated triglycerides have unsaturated fatty acids.
- Lipids play various roles in living organisms, including cell membranes, long-term energy storage, insulation, and hormone formation.
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Description
Test your knowledge of lipids, essential components of cell membranes, including the structure of fatty acids, triglycerides, and their various roles in living organisms.
