A polysaccharide, which is synthesised and stored in liver cells is

Options

A. lactose
B. galactose
C. arabinose
D. glycogen

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a polysaccharide that is synthesized and stored in liver cells. We need to identify which polysaccharide fits this description.

2. **Identifying Polysaccharides**: Recall that polysaccharides are large molecules made up of many monosaccharide units. Common examples include starch, cellulose, and glycogen.

3. **Focusing on Liver Storage**: The liver is known to store certain substances, particularly those related to energy metabolism. The key polysaccharide associated with energy storage in animals is glycogen.

4. **Glycogen Structure**: Glycogen is a branched polysaccharide made up of numerous glucose units (approximately 30,000). It serves as a storage form of glucose in the body.

5. **Glycogenolysis**: When energy is needed, glycogen can be broken down into glucose through a process called glycogenolysis, which releases glucose into the bloodstream for energy.

6. **Conclusion**: Based on the information, the polysaccharide that is synthesized and stored in liver cells is glycogen.

7. **Final Answer**: The correct answer is glycogen.

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