What is the basic difference between starch and cellulose?

Explanation

### Step-by-Step Solution:

1. **Definition of Starch and Cellulose**:
- Starch and cellulose are both polysaccharides made up of glucose monomers. However, they serve different functions in plants.

2. **Function**:
- **Starch**: It is the main storage carbohydrate in plants. It acts as an energy reserve.
- **Cellulose**: It is a structural component found in the cell walls of plants, providing rigidity and strength.
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