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Question

A complex polysaccharide produced from sucrose by the bacterium Leuconostoc mesenteroides is:

A
Chitin
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B
Starch
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C
Cellulose
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D
Dextran
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Solution

The correct option is D Dextran
Dextran is a low molecular weight polymer of glucose. It is produced by the bacterium Leuconostoc mesenteroides by fermentation of sucrose solution.
Chitin is a structural homopolysaccharide that forms the cell wall of fungi and exoskeleton of insects.
Cellulose is also a structural homopolysaccharide that constitutes the cell wall of plant cells.
Starch is a storage homopolysaccharide found in different parts of plants.

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