Correct! Glucose is a monosaccharide and an important biological fuel for the body. It is used to make certain disaccharides such as sucrose (in sugar) and lactose (in milk) as well as polysaccharides such as cellulose, starch, and glycogen. In animal cells, glucose is either used as an energy source or stored as glycogen that is retrieved at a later time depending on the body's need. Glucose is oxidized to carbon dioxide and water through glycolysis and the citric acid cycle yielding energy in the form of ATP.
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