Select all of the statements that correctly describe the difference between the strength of gram-positive and gram-negative cell walls

Gram-positive bacteria have a thick peptidoglycan layer that makes their cell walls structurally stronger and more rigid compared to gram-negative bacteria.

Gram-negative bacteria have a thin peptidoglycan layer and an additional outer membrane, which makes their cell walls more complex but not necessarily stronger than gram-positive bacteria.

The outer membrane of gram-negative bacteria can act as a barrier to certain antibiotics, dyes, and detergents, making them more resistant to these substances compared to gram-positive bacteria. However, this does not directly relate to the strength of the cell wall.

The presence of teichoic acids in the cell wall of gram-positive bacteria also contributes to the strength and rigidity of their cell wall. These acids are absent in gram-negative bacteria.

The peptidoglycan layer in gram-positive bacteria is also cross-linked to a greater extent than in gram-negative bacteria, further contributing to the strength of their cell wall.

Gram-negative bacteria have a periplasmic space between the outer membrane and the peptidoglycan layer, which can act as a buffer against environmental pressures. However, this does not directly contribute to the strength of the cell wall.