They allow oxygen through the cell wall. They allow carbon dioxide through the cell wall. They allow nutrients through the cell membrane. They allow nutrients through the nuclear membrane.
I gave my students this multiple choice question: How are bacterial cells and human cells alike?

Only one answer is correct among these 4 choices:
- They allow oxygen through the cell wall.
- They allow carbon dioxide through the cell wall.
- They allow nutrients through the cell membrane.
- They allow nutrients through the nuclear membrane.

Could you tell me which one is correct?

They allow nutrients through the cell membrane.