Biochemistry
Proteoglycans are large macromolecules that consist of a core protein covalently bonded to glycosaminoglycan (GAG) chains, playing a crucial role in the extracellular matrix and cellular functions. These molecules are essential for providing structural support in tissues, facilitating cell signaling, and regulating various biological processes, connecting them to polysaccharides and glycoconjugates due to their composition and functions in biological systems.
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