False Statement About Glycosaminoglycans

Very Hard Biochemistry Carbohydrates

In the context of cellular metabolism, carbohydrates play crucial roles not only as energy sources but also as structural components and signaling molecules. Among the various forms of carbohydrates, glycosaminoglycans (GAGs) emerge as significant polysaccharides that contribute to the extracellular matrix and cellular function. They are characterized by repeating disaccharide units and possess unique properties based on their chemical modifications.

Which of the following statements about glycosaminoglycans is FALSE?

Glycosaminoglycans are typically negatively charged due to the presence of sulfate and carboxylate groups.

Glycosaminoglycans are exclusively composed of glucose units.

Glycosaminoglycans are involved in cell signaling and can bind to various growth factors.

Glycosaminoglycans can form complexes with proteins to create proteoglycans.

Hint

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