Identify the following component of a cell :
Power house of a cell.

Explanation

**Step-by-Step Solution:**

1. **Identify the Component**: The question asks for the component of the cell known as the "powerhouse." This term is commonly used to refer to a specific organelle within the cell.

2. **Determine the Organelle**: The organelle that is referred to as the powerhouse of the cell is the **mitochondria**. This is because mitochondria are responsible for producing energy in the form of ATP (adenosine triphosphate), which is essential for various cellular processes.

3. **Understand the Function**: Mitochondria convert biochemical energy from nutrients into ATP through a process called cellular respiration. ATP is often referred to as the energy currency of the cell because it is used to power many cellular functions.

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