Question: A single prokaryotic cell can divide several times in an hour. Few eukaryotic cells can divide as quickly. Which of the following statements best explains this difference?

  Options: 
 A. Eukaryotic cells are smaller than prokaryotic cells.
 B. Eukaryotic cells have less DNA than prokaryotic cells.
 C. Eukaryotic cells have more cell walls than prokaryotic cells.
 D. Eukaryotic cells are more structurally complex than prokaryotic cells.
Answer: D