The walls of fungi are reinforced with

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Fungal walls are made up of chitin, which is a complex polysaccharide composed of N-acetylglucosamine. Chitin is a nitrogen-containing polymer that is structurally similar to cellulose, but it is much stronger and more rigid than cellulose. It provides structural support to the fungal cell, prevents it from bursting or collapsing under pressure, and protects it from environmental stressors such as desiccation and predation. Lignin and pectin are not found in fungal walls, and while proteins may be present in small amounts, they do not form the structural backbone of the fungal cell wall.

The Walls of Fungi Are Reinforced with