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nmdcat.online June 27, 2026

In cells, the main difference between a storage polysaccharide like glycogen and a structural polysaccharide like cellulose is the

A. Presence of nitrogen in the monomer units
B. Type of glycosidic linkage between glucose monomers
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C. Number of carbon atoms in the monosaccharide
D. Solubility of the final polymer in aqueous solutions

📝 Explanation

Both glycogen and cellulose are glucose polymers, but glycogen has α-1,4 and α-1,6 glycosidic bonds, allowing it to be a branched, digestible energy source. Cellulose has β-1,4 glycosidic bonds, which create straight chains that form strong structural fibers and are indigestible by most animals.

📖 Additional Information

  • Presence of nitrogen in the monomer units
  • Type of glycosidic linkage between glucose monomers
  • Number of carbon atoms in the monosaccharide
  • Solubility of the final polymer in aqueous solutions

Both glycogen and cellulose are glucose polymers, but glycogen has α-1,4 and α-1,6 glycosidic bonds, allowing it to be a branched, digestible energy source. Cellulose has β-1,4 glycosidic bonds, which create straight chains that form strong structural fibers and are indigestible by most animals.

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