monosaccharide glucose 2013-03-12T13:28:39Z A monosaccharide sugar, C6H12O6, occurring widely in plant and animal tissues. It is one of the three dietary monosaccharides, along with fructose and galactose, that are absorbed directly into the bloodstream during digestion, is the end product of carbohydrate metabolism, and is the chief source of energy for living organisms. XCO:0000275 dextrose experimental_condition_ontology jsmith