106.The molecular basis for shock absorption within articular cartilage is
which of the following?
a. Electrostatic interaction of proteoglycans with type IV collagen
b. Ability of glycosaminoglycans to bind anions
c. Noncovalent binding of glycosaminoglycans to protein cores
d. Sialic acid residues in the glycoproteins
e. Hydration of glycosaminoglycans
194 Anatomy, Histology, and Cell Biology