Justify the statement, 'Mitochondria are power houses of the cell'.

Explanation

### Step-by-Step Solution:

1. **Introduction to Mitochondria**:
- Mitochondria are often referred to as the "powerhouses of the cell" due to their crucial role in energy production. They are typically sausage-shaped or cylindrical structures.

2. **Structure of Mitochondria**:
- Mitochondria have a double membrane structure. The outer membrane is smooth, while the inner membrane is folded into structures known as cristae. These cristae increase the surface area available for biochemical reactions.

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