Q: Ions move through what to maintain electrical neutrality in the cell?


Read this paragraph and choose the correct option from the provided answers:

4. Ions move through the membrane to maintain electrical neutrality in the cell. In the cell illustrated above, sulfate ions will move from the copper side to the zinc side to compensate for the decrease in Cu 2+ and the increase in Zn 2+ .

 Choices:

- the plasma

- the substrate

- the protein

- the membrane


A:
the membrane