Answer: Chloroplasts are organelles within plant cells that contain chlorophyll and are responsible for carrying out photosynthesis. This process which is utilised by plants to manufacture food, requires carbon dioxide and water which is then converted into glucose and oxygen. Therefore, the release of oxygen tells us that photosynthesis is occurring inside the chloroplast.
B. Cell membrane Remember cell membrane is the structure aka “wall of the house” is the clear boundary between the cells internal and external environments:)) Hope this helps
