Carbohydrates and Glycoconjugates · Zoology

Which statement correctly describes polysaccharides?

  1. They are sweet, low-molecular-weight sugars
  2. They are long chains of monosaccharide units
  3. They contain only two monosaccharide units
  4. They are always reducing sugars
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Correct answer: They are long chains of monosaccharide units

Polysaccharides are high-molecular-weight carbohydrate polymers composed of many monosaccharide units joined by glycosidic bonds. They may be linear or branched and serve storage functions (glycogen, starch) or structural roles (cellulose, chitin). They are generally tasteless and may be soluble or insoluble depending on structure.

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