Cellulose function biology

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Microfibrillated Cellulose And Nanocellulose Biology Essay. Cellulose is considered to be the most abundant organic compound derived from biomass. In addition to wood, which cellulose is its main building material, there are other major sources for cellulose such as plant fibers, marine animals, or algae, fungi, invertebrates, and bacteria.

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Cellulose is the most abundant natural biopolymer. The cell wall of plants is mostly made of cellulose; this provides structural support to the cell. Wood and paper are mostly cellulosic in nature. Cellulose is made up of glucose monomers that are linked by β 1-4 glycosidic bonds (Figure 3.11).


Primary (cellulose) cell wall - While a plant cell is being formed, a middle lamella made of pectin, is formed and the cellulose cell wall develops between the middle lamella and the cell membrane. As the cell expands in length, more cellulose is added, enlarging the cell wall. When the cell reaches full size, a secondary cell wall may formCellulose - function. Cellulose is the main structural component of cell walls due to its strength which is a result of the many hydrogen bonds found between the parallel chains of microfibrils. The high tensile strength of cellulose allows it to be stretched without breaking which makes it possible for cell walls to withstand turgor pressure.

Cellulose is an organic compound with the formula (C 6 H 10 O 5) n, a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units. Cellulose is an important structural component of the primary cell wall of green plants, many forms of algae and the oomycetes.Some species of bacteria secrete it to form biofilms.Conversely, cellulose packs many monomers together in a sort of mesh that is very strong — this is why it is a great option for building strong cell walls. Figure 3.4.8 Starch, glycogen and cellulose are all made of many linked monomers of glucose. The shape and bonding of these monomers affects the function of the molecule.BIOLOGY 12 - CELL STRUCTURE & FUNCTION: Chapter Notes THE CELL THEORY • although different living things may be as unlike as a violet and an octopus, they are all built in essentially the same way. The most basic similarity is that all living things are composed of one or more cells. This is known as the Cell Theory.