Dr. Roberts examined the cells of four different organisms for the presence of various cellular structures. His observations are recorded in the table below. (An "X" indicates that the structure is present in the cell.)
cell
membrane cell wall chloroplasts mitochondria nucleus ribosomes vacuoles
1 X X X X X X X
2 X X X X X
3 X X X
4 X X X X
Using the information in the table, which of the cells most likely came from an animal?