Question

Do all cells have a cell wall?

Answer 1

Cell wall:

1. A cell wall is the outermost covering of a cell.
2. It is a non-living component.
3. The cell wall contains two layers, the middle lamella, and the primary cell wall.
4. The cell wall comprises cellulose microfibrils and cross-linking glycans embedded in a matrix of pectin.
5. The cell wall is present in plant cells.
6. A few algae, fungi, and bacteria also contain cell walls.
7. The cell wall is absent in animals.