BIOL107 Lecture Notes - Lecture 10: Intermediate Filament, Globular Protein, Mreb

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BIOL107 Full Course Notes
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BIOL107 Full Course Notes
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Prokaryotic cells come in 3 different shapes: most of them are spherical, some of them are rod- shaped, and only a few of them are spiral shaped. Cytoskeleton skeleton inside our cells (giant protein filaments made from chains of proteins, some of them will be like a toad, some of them will be straight) The cytoskeleton of a cell is made up of microtubules, actin filaments (chains of globular proteins), and intermediate filaments (fibrous proteins). These structures give the cell its shape and help organize the cell"s parts. In addition, they provide a basis for movement and cell division. The cell is able to build the large structures by the repetitive assembly of large numbers of the small subunits, like building a skyscraper out of bricks. Because these subunits are small, they can diffuse rapidly within cytoplasm, whereas the assembled filaments cannot.

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