Complex sentence: Glycosaminoglycans (GAGs) or mucopolysaccharides are long unbranched polysaccharides, made up of repeating disaccharides that may be sulphated (e.g. glucuronic acid, iduronic acid, galactose, galactosamine, glucosamine).
Split into simpler sentences: Glycosaminoglycans (GAGs) or mucopolysaccharides are long unbranched polysaccharides consisting of a repeating disaccharide unit. Members of the glycosaminoglycan family vary in the type of hexosamine, hexose or hexuronic acid unit they contain (e.g. glucuronic acid, iduronic acid, galactose, galactosamine, glucosamine).