The answer is 4. Hope this helps
Answer:
B. chloroplasts
Explanation:
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle
Answer:
A
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Is a substance that speeds up a chemical reaction, but is not consumed by the reaction