A plant cell wall is arranged in layers and contains cellulose microfibrils, hemicellulose, pectin, lignin, and soluble protein. These components are organized into three major layers: the primary ...

Cell structure Description Function Cell type Cell wall Freely permeable layer surrounding cell membrane. The cell wall of plant cells is made from cellulose. This gives them a rigid structure.

The cell-walls of the sporangiophores of the fungus Phycomyces proved to be excellent material for such studies. Distinct diagrams were obtained with this material, the fibre diagrams being ...