What distinguishes proteoglycans from glycoproteins?
Proteoglycans have larger carbohydrate content accurately describes the key difference, similarity, or comparative feature asked about in this question. In Carbohydrates, the ability to compare and contrast related concepts is essential for deeper understanding. The distinguishing feature described by Proteoglycans have larger carbohydrate content reflects fundamental differences in structure, function, mechanism, or origin between the compared entities. The other options (Glycoproteins contain sulfated sugars, Proteoglycans do not have glycosidic bonds, and Glycoproteins are always intracellu
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 7