Ultra structure of Cell Wall
- Plant cell has three layered structures and Each of the layers is made up of fibrils.
- In this β glucose molecules are united to form a long chain. About 100 such chains are arranged around the central point to form a micelle.These types of 20 micelles form one microfibril which is the main constituent of the cell wall. And 250 microfibril are arrange as a bundle and form the cellulose fiber that form the cell wall.
- In the primary cell walls made up of submicroscopic strands of cellulose which are interwoven to create a dense network .
- These microfibrils In the secondary wall are arranged In parallel manner making successive lamellae instead of forming a network. In the successive layers of secondary wall ‘the direction of these microfibrils is changed.
- At few places the microfibrils of secondary cell material are not deposited thereby forming pits In these spaces lignin. cutin. hemicellulose and suberine are deposited.
B glucose molecules —Form a chain — micelle (20) — Microfibrils (250) — fibril —) cell wall
Related posts:
Structure of Cell wall
General Characters of Plasma membrane
Thickening of cell wall
Molecular Model of Plasma membrane
Origin of Cell wall
Growth of cell wall
Formation of Cavities in cell wall
The dynamic of cell structure, organization of the plant cell
Cell wall introduction
Properties of Plasma membrane
