It is needed to change glucose to energy. It is needed to store nutrients. It is needed to repair tissue. It is needed to produce water.
I gave my students this multiple choice question: Why is protein an important part of a healthy diet?

Only one answer is correct among these 4 choices:
- It is needed to change glucose to energy.
- It is needed to store nutrients.
- It is needed to repair tissue.
- It is needed to produce water.

Could you tell me which one is correct?

It is needed to repair tissue.