are an important source of energy, most abundant biomolecules in nature

carbohydrates form used by the body referred to as blood sugar

sweetest of the sugar, combines with glucose to form sucrose

combined with glucose to form lactose, milk sugar

disaccharides

short carbohydrate chain of 310 monosacchariides

long carbohydrate chains of

monosaccharides linked by glycosidic

bonds

plant storage form of carbohydrate, long branched or unbranched chains of glucose

1. highly branched units of glucose units

• Animal storage form of carbohydrate

 non digestible carbohydrates(chain of monosaccharides) and lignin that are intact and intrinsic in plants(includes oligosaccharides)