carbohydrate - an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they containribose - a pentose sugar important as a component of ribonucleic acid deoxyribose - a sugar that is a constituent of nucleic acids invert sugar - a mixture of equal parts of glucose and fructose resulting from the hydrolysis of sucrose; found naturally in fruits; sweeter than glucose maple sugar - sugar made from the sap of the sugar maple tree oligosaccharide - any of the carbohydrates that yield only a few monosaccharide molecules on complete hydrolysis polyose, polysaccharide - any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules wood sugar, xylose - a sugar extracted from wood or straw; used in foods for diabetics |