Question

2
25. Name any one chemical present
in the cork cells of the bark and list
down its significance.​

Answer 1

Answer:

cork is characterized by the presence of suberin as a major cell wall structural component. Suberin is a macromolecule of ester coupled fatty alcohols, fatty acids and diacids, hydroxy fatty acids and glycerol, including also ferulic acid and eventually other phenolic components [1, 4–7].

significance......

The dead cork cells are lined with suberin, a fatty substance that makes them highly impermeable to gases and water. Gas exchange between the inner tissues of bark-covered roots and stems and their surroundings takes place through spongy areas (lenticels) in the cork.

Explanation:

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