Starch Vs Cellulose
Starch and cellulose differ in:
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About This Question
- Subject
- chemistry
- Chapter
- biomolecules
- Topic
- starch vs cellulose
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Type of glycosidic linkage
Both Starch and Cellulose are homopolysaccharides of D-glucose, but the linkage geometry differs:
- Starch: Consists of Amylose (linear) and Amylopectin (branched) with α(1→4) glycosidic linkages. This makes it digestible by human amylase.
- Cellulose: Consists of linear chains with β(1→4) glycosidic linkages. Human enzymes cannot break the β-linkage, so cellulose serves as roughage/fiber in our diet.
This medium difficulty chemistry question is from the chapter biomolecules, covering the topic of starch vs cellulose. It appeared in the 2025 exam.
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