Question:
What is monomer used in cellulose, a straight chain polysaccharide?
What is monomer used in cellulose, a straight chain polysaccharide?
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Cellulose is a straight chain polymer of beta-D-glucose joined by beta-1,4 glycosidic links.
Updated On: Nov 12, 2026
- \(\alpha\)-D-glucose
- \(\alpha\)-D-fructose
- \(\beta\)-D-glucose
- \(\beta\)-D-fructose
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
Cellulose is a straight chain polysaccharide made only of glucose units.
Step 2: Linkage
The units are \(\beta\)-D-glucose joined by \(\beta\)-1,4 glycosidic bonds. These let the chains stay straight and hydrogen bond into strong fibres.
Step 3: Contrast
Starch has \(\alpha\)-D-glucose units with \(\alpha\) links, so its chain coils.
Final Answer:
The monomer of cellulose is \(\beta\)-D-glucose. \[ \boxed{\text{(C) }\beta\text{-D-glucose}} \]
Cellulose is a straight chain polysaccharide made only of glucose units.
Step 2: Linkage
The units are \(\beta\)-D-glucose joined by \(\beta\)-1,4 glycosidic bonds. These let the chains stay straight and hydrogen bond into strong fibres.
Step 3: Contrast
Starch has \(\alpha\)-D-glucose units with \(\alpha\) links, so its chain coils.
Final Answer:
The monomer of cellulose is \(\beta\)-D-glucose. \[ \boxed{\text{(C) }\beta\text{-D-glucose}} \]
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