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Cellulose is made up of...............
A. Unbranched chain of glucose molecules linked by β1-4 glycosidic bonds
B. Branched chain of glucose molecules linked by α 1-6 glycosidic bonds in straight chains and α 1-6 glycosidic bonds at branch points.
C. Unbranched chain of glucose molecules linked by α 1-6glycosidic bonds
D. Branched chain of glucose molecules linked by α 1-6 glycosidic bonds at branch points.

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Last updated date: 22nd Jun 2024
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Answer
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Hint: Cellulose is a polymer which comprises the monomers of glucose. Cellulose is found in the cell wall of plants. It provides mechanical strength and stability to the plants.

Complete Answer:
To solve this question, we must know about the structure of cellulose.
The primary structure of cellulose is simple unbranched polymer which comprises a long chain of glucose monomers which is attached together by β 1-4 glycosidic bonds. This bond helps in forming microfibrils which provide strength to the plants. Cellulose is broken down chemically into its monomer glucose by treating it with concentrated acids at high temperature.
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Properties of Cellulose-
- It is tasteless and odourless.
- It is hydrophilic and is insoluble in water.
- It is highly biodegradable.

Thus the correct answer is (A). Cellulose is made up of an unbranched chain of glucose molecules linked by β1-4 glycosidic bonds.

Note: Cellulose is the most important organic polymer on earth. Cellulose is an important molecule and due to its strong structure it finds importance in a large number of applications. It is used in making synthetic carpets and cotton fabrics.