Answer:
3
Explanation:
1. Incorrect - that is the rough ER (endoplasmic reticulum)
2. Incorrect - vacuoles don’t contain DNA. That is the nucleus
3. Correct - that is the mitochondria and respiration, the process of turning compounds into energy, takes place
4. Incorrect - that is the cell membrane, but it doesnt provide rigid support for the cell; the cell wall does
I hope this helps!!! :)
