Step 1: Understanding the Concept:
Different organelles have different functions.
Some are called by specific nicknames.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the functions of organelles.
Step 3: Detailed Explanation:
Mitochondria are known as the "powerhouse" of the cell.
They produce ATP through oxidative phosphorylation.
The nucleus contains genetic material.
Lysosomes are involved in digestion.
The Golgi body is involved in protein processing.
Thus, mitochondria are the powerhouse of the cell.
Step 4: Final Answer:
Mitochondria are referred to as the powerhouse of the cell.
Hence, the correct option is (B).