Answer:
A - it gives them their shape
Step-by-step explanation:
Bacteria need a cell wall to help maintain their shape
- the cell wall is more stable and sturdy than a cell membrane
The other two answers are incorrect:
- the cell wall has no impact on the color of a bacteria
- the cell wall does not necessarily prevent the cell from bursting as the bacteria is still able to be burst by different cells of the immune system (ex. macrophages)
However! the cell wall does provide some protection to the bacteria as it protects the DNA inside the bacterium from being exposed to harsh environments outside of the cell. but since this isn't an option, A is the correct answer. (but you should probably still be aware of what else the cell wall does)
I hoped this helped :)