Answer:
Chloroplast.
Step-by-step explanation:
Photosythisis is the process in which the plant uses sunlight a energy to make it's own food called glucose. Oxygen also comes from this process. Mitochondria is a part in the cell that creates biochemical processes of respiration and energy production occur. A cell wall the outer layer of some cells that protects it. Chloroplast contains chlorophyll and in which photosynthesis takes place.