Lipids | Acylglycerol Fats and Oils |Class 11 Biology | by Dr. Bhojoo Mal
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Lipids: Lipids are a diverse group of organic compounds that are insoluble in water but soluble in organic solvents. They play crucial roles in storing energy, signaling, and acting as structural components of cell membranes. Common types of lipids include fats, oils, waxes, and certain vitamins.
Acylglycerols (Triglycerides): Acylglycerols, commonly known as triglycerides, are a type of lipid formed by the esterification of three fatty acid chains with a glycerol molecule. They are the main form of stored energy in animals and plants. When the body needs energy, it breaks down triglycerides into glycerol and fatty acids, which can then be used to generate ATP.
Fatty Acids: Fatty acids are long hydrocarbon chains with a carboxyl group at one end. They can be saturated, meaning they have no double bonds between carbon atoms, or unsaturated, meaning they have one or more double bonds. Saturated fats tend to be solid at room temperature, while unsaturated fats are typically liquid. Fatty acids are important components of lipids and play vital roles in energy storage, cellular membrane structure, and signaling pathways.
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