Is Starch a Polysaccharide?


Quick Answer

Starches are classified as polysaccharides due to their molecular structures. Most starches are found in plants, since plants utilize starch as a source of glucose for energy. Wheat, corn, barley, oats and potatoes are full of starch.

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Full Answer

Polysaccharides are sugars that consists of multiple simple sugar units. The simple sugar units are known as monosaccharides, which only consist of one simple sugar unit. Polysaccharides form when numerous monosaccharides bind together to form long-chain compounds. Many of the common polysaccharide compounds, including starches, contain the monosaccharide glucose as their simple sugar unit. This allows polysaccharides to be utilized by plants and animals as a source of glucose.

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