Answer the following question given this paragraph: 

They have lots of mitochondria. Mitochondria are called the power plants of the cell, as these organelles are where most of the cell's energy is produced. Cells that need lots of energy have lots of mitochondria.


Q: What organelles are known as the "power plants" of the cell?

 Choices:

- plastid

- flagella

- golgi body

- mitochondria

A:
mitochondria
