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Lipids are a diverse group of naturally occurring molecules that encompass fats, waxes, sterols, and fat-soluble vitamins such as A, D, E, and K, along with monoglycerides, diglycerides, and phospholipids. These molecules play crucial roles in biological systems, including energy storage, serving as structural components of cell membranes, and functioning as important signaling molecules. Understanding the classification and functions of lipids is essential for studying metabolism and cellular processes.
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Lipids • Lipids constitute a broad group of naturally occurring molecules which include fats, waxes, sterols, fat-soluble vitamins(such as vitamins A, D, E and K), monoglycerides, diglycerides, phospholipids, and others. The main biological functions of lipids include energy storage, as structural components of cell membranes, and as important signaling molecules.