Question

Which of the following statements is true regarding bacteria and animal cells?
A.
A bacterium contains a nucleus, but an animal cell does not.
B.
An animal cell contains a cell wall, but a bacterium does not.
C.
A bacterial cell is much smaller than an animal cell.
D.
An animal cell is much smaller than a bacterial cell.

Answer 1

C. A bacterial cell is much smaller than an animal cell.

Explanation: Bacteria are prokaryotes (no membrane-bound nucleus) and are typically ~1–5 µm, while animal cells are eukaryotes (have a nucleus) and are usually ~10–100 µm. Bacterial cell walls (peptidoglycan) are present in most bacteria; animal cells lack cell walls.