What type of carbohydrates forms the cell wall?

The cell wall of plants, fungi, and some bacteria is primarily composed of complex carbohydrates. In plants, cellulose, a polysaccharide made of glucose units, provides structural support. Fungi have cell walls made of chitin, while bacteria often possess peptidoglycan, which is a polymer consisting of sugars and amino acids. These carbohydrates are crucial for maintaining the integrity and shape of the cells.