Differentiate between Parenchyma and collenchyma

Explanation

### Step-by-Step Solution to Differentiate Between Parenchyma and Collenchyma

1. **Cell Wall Structure**:
- **Parenchyma**: The cells have thin walls. They are primarily composed of cellulose.
- **Collenchyma**: The cells have thick walls, which are also made of cellulose but contain additional substances such as pectin and hemicellulose.

**Hint**: Remember that the thickness of the cell wall is a key distinguishing feature between these two types of tissues.

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