The most abundant material on the plant cell wall is

All cell walls contain two layers, the middle lamella and the primary cell wall, and many cells produce an additional layer, called the secondary wall. The middle lamella serves as a cementing layer between the primary walls of Components Although primary and secondary wall layers differ in detailed chemical composition and structural organization, their basic architecture is the same, consisting of cellulose fibres of great Get a Britannica Premium subscription and gain access to exclusive content. Hemicelluloses consist of glucose molecules arranged end to end as in cellulose, with short side chains of xylose and other uncharged sugars attached to one side of the ribbon. The other side of the ribbon binds tightly to the surface of cellulose fibrils, thereby coating the microfibrils with

A. B. C. D. E. F. G. H. I. J. K. L. M. N. Plant cell structures cell wall - A thick, rigid membrane that surrounds the plant cell. This layer of cellulose fiber gives the cell most of its support and structure. The cell wall also bonds with other cell walls to form the structure of the plant. centrosome (also called the "microtubule organizing center") - A small organelle that is located near the nucleus. It has a dense center and radiating tubules. The centrosomes is where microtubules are made. During cell division (mitosis and meiosis), the centrosome divides and the two parts move to opposite sides of the dividing cell. chlorophyll - Chlorophyll is a molecule that can use light energy from sunlight to turn water and carbon dioxide into sugar and oxygen. This process is called photosynthesis. Chlorophyll is a lipid with a magnesium core and is usually green in color. chloroplast - An elongated, disc-shaped organelle that contains the chlorophyll. Photosynthesis takes place in the chloroplasts. cristae - The folded inner membrane of the mitochondria. The walls of the cristae are the site of the cell's energy production (where ATP is generated). cytoplasm - The jelly-like material outside the cell's nucleus in which the organelles are located. Golgi body (also called the Golgi apparatus or Golgi complex) - A flattened, layered, sac-like organelle that looks like a stack of pancakes and is located near the nucleus. The Golgi body packages proteins and carbohydrates into me...