Choose the false statement regarding proteoglycans:

Since the high fixed negative charge density of the proteoglycans allows them tohold enormous amounts of water. The amount of water depends on the amount of proteoglycans, which decreases with aging. Ref: Harper's Illustrated Biochemistry 27th Edition, Page 118, 556, 557; Functions of the Proteoglycans By Ciba Foundation Symposium, 2008, Page 143.