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Cellulose inside plants is one of the examples of non-protein compounds that are using this term with the same purpose. Cellulose microfibrils are laid down in the inner surface of the primary cell wall. As the cell absorbs water, its volume increases and the existing microfibrils separate and new ones are formed to help increase cell strength.
Cellulose microfibrils are unique matrix macromolecules, in that they are assembled by cellulose synthase enzymes located on the extracellular surface of the plasma membrane. [17] It is believed that the plant can “anticipate their future morphology by controlling the orientation of microfibrils” by a mechanism where cellulose microfibrils ...
The peritrophic matrix is composed of regularly arranged chitin microfibrils, (3–13% of matrix mass), and species specific proteins (20–55%) embedded in a proteoglycan matrix. [ 4 ] [ 5 ] The peritrophic matrix also includes very small pores which allow for passage of small molecules into and out of the matrix.
A wet microbial cellulose pellicle being removed from a culture Nata de coco, a traditional food product from the Philippines made from fermenting coconut water with Komagataeibacter xylinus. Bacterial cellulose is an organic compound with the formula (C 6 H 10 O 5) n produced by certain types of bacteria.
A plant cell wall was first observed and named (simply as a "wall") by Robert Hooke in 1665. [3] However, "the dead excrusion product of the living protoplast" was forgotten, for almost three centuries, being the subject of scientific interest mainly as a resource for industrial processing or in relation to animal or human health.
A myofibril (also known as a muscle fibril or sarcostyle) [1] is a basic rod-like organelle of a muscle cell. [2] Skeletal muscles are composed of long, tubular cells known as muscle fibers, and these cells contain many chains of myofibrils. [3]
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Biological systems exist as a complex interplay of countless cellular components interacting across four dimensions to produce the phenomenon called life. While it is common to reduce living organisms to non-living samples to accommodate traditional static imaging tools, the further the sample deviates from the native conditions, the more likely the delicate processes in question will exhibit ...