Polysaccharides primarily serve as food storage or structural materials. They are commonly encountered in nature due to their abundance and diverse roles.
What are the main functions of polysaccharides, and why are they commonly encountered in nature?
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Polysaccharides serve essential functions in living organisms, primarily as energy storage (e.g., glycogen in animals, starch in plants) and structural components (e.g., cellulose in plant cell walls). They also play roles in cell recognition, immune response, and lubrication. Commonly encountered in nature due to their diverse functions, polysaccharides provide a versatile and stable source of energy, contribute to the structural integrity of cells and tissues, and facilitate various biological processes. Their abundance underscores their significance in maintaining the structural and functional integrity of living systems.