Botany - Cell - The Unit of Life Question with Solution | TestHub

Cell wall is the outermost covering in the plant cell. The cell wall provides support to the cell. It is made up of

• Matrix: Water (60%), hemicellulose (5-15%), pectic substances (2-8%), lipids (0.5-3%), proteins (1-2%).
• Microfibrils: Cellulose (10-15%).
• Other ingredients: Lignin, cutin, suberin, silica, minerals-calcium, iron and carbonate.