Fats serve as storage of energy, phospholipids are the main component of cell membranes, waxes can provide a physical barrier, and steroids are hormones.
What are lipids?
Lipids represent a broad category of biomolecules composed of fats, phospholipids, steroids, etc.
Fats provide high-energy bonds whose breakdown releases energy during exothermic reactions.
Phospholipids are the main component of cellular membranes by forming a bilayer that separates the cell from the surrounding environment.
Steroids are lipids that serve as chemical messengers, i.e., hormones, which transmit signals through the body (e.g., cholesterol).
Waxes provide a physical barrier that blocks the entry of pathogenic microorganisms (e.g., bacteria) into the body.
In conclusion, fats serve as storage of energy, phospholipids are the main component of cell membranes, waxes can provide a physical barrier, and steroids are hormones.
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