Question

The walls of the cork cells are thickened due to the presence of ___________

chemical. ​

Answer 1

Answer:

The walls of cork cells are thickened by the deposition of an organic substance which make this cells impermeable to water and gases the substance is ? It's called suberin. Many layers of suberin containing cork cells protect plants against water loss, infection, and heat exposure.

Explanation:

Answer 2

Answer:

The walls of cork cells are heavily thickened with an organic substance, suberin. Suberin makes these cells impervious to water and gases.