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Which one of the following statements is wrong?

1. Cellulose
2. Chitin
3. Hemicellulose
4. Peptidoglycan

Correct answer: Hemicellulose

Solution

Cellulose, chitin, and peptidoglycan are classic structural polymers. Hemicellulose is a heterogeneous group of plant cell-wall polysaccharides, not a single structural polymer like the others, so it is the wrong statement here.

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