Concept:Animal cells have a nucleus, cytoplasm, cell membrane, mitochondria and small (often temporary) vacuoles, but no cell wall and no chloroplasts.Explanation:Options A, B and D each contain a chloroplast or a cell wall, which are found only in plant cells. Vacuole and nucleus are both present in animal cells.Key point: Animal cells do have vacuoles; they are small and many, unlike the single large central vacuole of a plant cell.Answer:Option C (Vacuole and nucleus)