AP BIOLOGY

Detailed explanation-1: -These contain a chemical in their walls called suberin which makes them impervious to gases and water.

Detailed explanation-2: -Cell wall in cork is impervious to water and gases due to the presence of suberin. Suberin is a waterproof waxy material found in higher plants. Suberin is the main constituent of corks. Q.

Detailed explanation-3: -Its cells are dead and compactly arranged with no intercellular space. Its cells contain a chemical named suberin in their cell walls which makes them impermeable to water and gases.

Detailed explanation-4: -Suberin is a impermeable waxy substance present in the cell walls of corky tissues. The cork cells are compactly arranged without any intercellular spaces and the chemical called suberin in the cell walls of cork cells makes them impervious to gases and water.

Detailed explanation-5: -A chemical substance called suberin is present in the cell walls of cork that makes them impervious to gases and water.