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Question: Answered & Verified by Expert
Which one of the following represents the correct structure of cellulose?
ChemistryBiomoleculesJIPMERJIPMER 2018
Options:
  • A Branched, $\alpha(1,4)$ and $\beta(1,6)$ - glucose
  • B Unbranched, $\alpha(1,6)$ - glucose
  • C Branched, $\alpha(1,4)$ - glucose
  • D Unbranched, $\beta(1,4)$ - glucose
Solution:
1533 Upvotes Verified Answer
The correct answer is: Unbranched, $\beta(1,4)$ - glucose
Cellulose has a straight chain polysaccharide composed only of $\beta-\mathrm{D}$. The $\beta-\mathrm{D}$ glucose. These $\beta-\mathrm{D}$ glucose units are linked together by $\mathrm{C}_1-\mathrm{C}_4$ glycosidic linkage. The structure is shown below:

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