The carbohydrate present in cotton fibre is

Options

A. Hyaluronic acid
B. Glycogen
C. Cellulose
D. Chitin

Answer

To answer the question "The carbohydrate present in cotton fibre is," we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Type of Carbohydrate**:
- Cotton fiber is primarily composed of carbohydrates. We need to determine which carbohydrate is present in cotton.

2. **Understand the Structure of Cotton Fiber**:
- Cotton fiber is made up of a complex carbohydrate known as cellulose. Cellulose is a polysaccharide, meaning it is made up of many sugar units.

3. **Composition of Cellulose**:
- Cellulose consists of long chains of glucose molecules. Specifically, it contains approximately 6000 or more glucose units linked together.

4. **Linkage in Cellulose**:
- The glucose units in cellulose are connected by 1,4-beta linkages. This type of linkage contributes to the structural integrity of the cellulose molecule.

5. **Characteristics of Cellulose**:
- Cellulose is a fibrous homopolysaccharide, which means it is made up of only one type of sugar (glucose) and has high tensile strength. It serves as a structural component in the cell walls of plants.

6. **Molecular Structure**:
- The glucose units in cellulose are arranged in a linear fashion, unlike the branched structures seen in starch and glycogen. This linear arrangement allows for strong intermolecular hydrogen bonding, contributing to the stability and strength of the cellulose fibers.

7. **Conclusion**:
- Based on the above information, we conclude that the carbohydrate present in cotton fiber is **cellulose**.

### Final Answer:
The carbohydrate present in cotton fiber is **cellulose**.

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