Which of the following correctly compares how plant and animal cells differ?
a. plant cells have chloroplasts and mitochondria for energy, but animal cells do not have mitochondria.
b. plant cells have a cell membrane and cell walls for support, but animal cells do not have cell walls.
c. plant cells have ribosomes for synthesis, while animal cells have the golgi apparatus.
d. plant cells have many small vacuoles for storage while animal cells have one large central vacuole.