Answer: ATP
Explanation:Each organelle supports different activities in the cell. Mitochondria, for example, are organelles that provide eukaryotes with most of their energy by producing energy-rich molecules called ATP. Prokaryotes lack mitochondria and instead produce their ATP on their cell surface membrane.
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The answer to this is C because humans don't have cell walls and if you are looking at an onion it has a cell wall because it is a plant.
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