The extracellular matrix performs a variety of functions,including mediation of interactions between cells.__________ is a glycosaminoglycan (GAG),which provides protection and acts as a shock absorber.

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Hyaluronan is a glycosaminoglycan (GAG) that is part of the extracellular matrix. It provides protection and acts as a shock absorber. Collagen is a protein that provides structural support, fibronectin is a glycoprotein involved in cell adhesion, and chondroitin sulfate is also a GAG but is typically found in cartilage.

The Extracellular Matrix Performs a Variety of Functions,including Mediation of Interactions