DAVID M. PHILLIPS / SCIENCE PHOTO LIBRARY DAVID M. PHILLIPS / SCIENCE PHOTO LIBRARY
Color enhanced transmission electron micrograph showing lipid droplets in rat fat cell. Magnification 90,000x Lipid cell, any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with proteins and carbohydrates, the chief structural components of living cells.
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