Question

Why do bacterial cells need cell walls? Do all bacteria have cell walls?

Answer 1

Answer:

Bacterial cell walls are different from the cell walls of plants and fungi, which are made of cellulose and chitin, respectively. Gram-positive bacteria possess a thick cell wall containing many layers of peptidoglycan and teichoic acids. ... The method of Gram staining is possible because of bacterial cell walls.For most bacterial cells, the cell wall is critical to cell survival, yet there are some bacteria that do not have cell walls

Answer 2

Answer:

there are many reasons that suppress that bacteria have need cell walls because of,

-it is rigidly tough outer structural layer who protects from damage and prevent them from toxic substance

- it helps to cell from toxic substance and for this reason they survive in most condition

-the bacterial cell wall prevent bacteria from osmotic lysis and also prevents from brusting of them osmotic pressure.

Many bacteria have cell walls about of 90 Percent bacteria have cell wall but some of them have lacks of cell wall.

for example,

Mycoplasm and L form bacteria.