Which of the following statements correctly describes a difference between bacterial cells and animal cells?

Animal cells contain cytoskeletons. Bacterial cells do not.
Animal cells contain ribosomes. Bacterial cells do not.
Animal cells have a membrane surrounding their nucleus. Bacterial cells do not have membrane surrounding the nucleus.
Animal cells are surrounded by a cell wall. Bacterial cells are not.

Animal cells have a membrane surrounding their nucleus. Bacterial cells do not have a membrane surrounding the nucleus.