Answer:
6. D - Structures that are common to plant and animal cells are the cell membrane, nucleus, mitochondria, and vacuoles.
7. A - The plant cell has a cell wall, chloroplasts, plastids, and a central vacuole—structures not found in animal cells. Plant cells do not have lysosomes or centrosomes.
8. C - The mitochondria are tiny bean-shaped structures in the cytoplasm with a smooth outer membrane, and a greatly folded inner membrane. They supply the energy for the cell by transforming sugars into energy
Explanation: