They are widespread as protective coatings on fruits and leaves?
Correct answer: B. waxes
- A. cholesterol
- B. waxes
- C. chitin
- D. all of these
Explanation
Waxes are lipids that form water-resistant protective coatings on the surfaces of leaves and fruits, reducing water loss and blocking pathogens. Cholesterol is a membrane lipid mainly found in animals, while chitin is a structural polysaccharide, so choosing either confuses their functions with those of waxes.
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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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