It converts sunlight to energy. It controls all functions of the cell. It transports water throughout the cell. It breaks down sugar to release energy.
I gave my students this multiple choice question: What is the role of the mitochondrion in cells?

Only one answer is correct among these 4 choices:
- It converts sunlight to energy.
- It controls all functions of the cell.
- It transports water throughout the cell.
- It breaks down sugar to release energy.

Could you tell me which one is correct?

It breaks down sugar to release energy.