Question 16 (1 point) Proteoglycans are abundant in the extracellular matrix. Proteolycans are often charged and attract water molecules, making the matrix "squishy". Proteoglycans are made up of: polysaccharides only a polysaccharide with protein/carbohydrate branched attachments proteins only lipids
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Proteoglycans are composed of a core protein with one or more covalently attached glycosaminoglycan (GAG) chains, which are long, unbranched polysaccharides. Show more…
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