Which of the following has a branched chain structure?

Options

A. Amylopectin
B. Amylose
C. Cellulose
D. Nylon

Answer

To determine which of the following compounds has a branched chain structure, we will analyze each option provided: amylopectin, amylose, cellulose, and nylon.

### Step-by-Step Solution:

1. **Identify the Structures of Each Compound**:
- **Amylopectin**: This is a polysaccharide that is part of starch. It is composed of α-glucose units and has a branched chain structure due to the presence of both C1-C4 and C1-C6 glycosidic linkages.
- **Amylose**: This is another component of starch, but it consists of linear chains of α-glucose units connected only by C1-C4 glycosidic linkages, resulting in a straight chain structure.
- **Cellulose**: This is a polysaccharide made up of β-glucose units. It also has a straight chain structure, with C1-C4 glycosidic linkages, forming long, linear chains.
- **Nylon**: This is a synthetic polymer made from the condensation of diamines and dicarboxylic acids. It does not contain glucose and has a linear structure.

2. **Analyze the Glycosidic Linkages**:
- **Amylopectin**: Contains both C1-C4 and C1-C6 linkages, allowing for branching.
- **Amylose**: Contains only C1-C4 linkages, leading to a straight chain.
- **Cellulose**: Contains only C1-C4 linkages, resulting in a straight chain.
- **Nylon**: Has a linear structure and does not involve glycosidic linkages related to carbohydrates.

3. **Conclusion**:
- Among the options provided, **amylopectin** is the only compound that exhibits a branched chain structure due to its unique glycosidic linkages.

### Final Answer:
The compound with a branched chain structure is **amylopectin**.

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