Fatty acids are the building blocks of several types of biomolecules, primarily:
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Lipids: This broad category includes various types of molecules, such as:
- Triglycerides: Composed of three fatty acids linked to a glycerol molecule; they are the main form of stored energy in animals.
- Phospholipids: Composed of two fatty acids, a glycerol, and a phosphate group; these are key components of cell membranes.
- Steroids: While not made directly from fatty acids, certain steroids (like cholesterol) are synthesized from lipid precursors that include fatty acid pathways.
- Waxes: These are fatty acids esterified to long-chain alcohols, providing protective coatings for various surfaces.
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Glycolipids: These are lipids with carbohydrate groups attached and typically contain one or more fatty acids. They play significant roles in cell recognition and signaling.
Overall, fatty acids are essential components in many biomolecules that play crucial roles in energy storage, membrane structure, and cellular signaling.
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