Problem 9

Background and context

Carbohydrates are macromolecules that are an important source of energy for all cells, They also provide support to the structure of all cells of plants, animals, and fungi. Carbohydrates can be classified into monosaccharides, disaccharides, and polysaccharides. 

The plant cell wall protects the cell from the outside environment. It is rigid and it gives shape to the cell. The main component of a plant cell wall is a polysaccharide.