Answer:
the answer is all of these
The cell wall is an outer protective membrane in many cells including plants, fungi, algae, and bacteria. Animal cells do not have a cell wall. The main functions of the cell wall are to provide structure, support, and protection for the cell
What is it I also don’t know can you plz help me
Answer: The protons are transported through the membrane to the outside of the cell. Protons are pumped across the cell membrane as well.
Hope this helps!