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5 lut 2021 · 2.5 Cytoplasm and Cytoskeleton Liveworksheets transforms your traditional printable worksheets into self-correcting interactive exercises that the students can do online and send to the teacher. Skip to main content
4 kwi 2017 · The cytoskeleton is a network of filaments and tubules that extends throughout a cell, through the cytoplasm, which is all of the material within a cell except for the nucleus. It is found in all cells, though the proteins that it is made of vary between organisms.
9 maj 2023 · Cytoskeleton: The cytoskeleton is a network of protein fibers that provides structural support, maintains cell shape, and enables cell movement. It is composed of three main types of protein filaments: microfilaments, intermediate filaments, and microtubules.
The left image shows the molecular structure of the tube. Microtubules are also the structural elements of flagella, cilia, and centrioles (the latter are the two perpendicular bodies of the centrosome). In fact, in animal cells, the centrosome is the microtubule-organizing center.
Learning Objectives. By the end of this section, you will be able to do the following: Describe the cytoskeleton. Compare the roles of microfilaments, intermediate filaments, and microtubules. Compare and contrast cilia and flagella. Summarize the differences among the components of prokaryotic cells, animal cells, and plant cells.
The cytoskeleton is a very important dynamic part of a cell, but it is not often shown in simplified drawings. All cells, except those of most bacteria, contain components of the cytoskeleton. They help the cell remain rigid but also help it move and change its shape when instructed to do so.
The cytoskeletal “highways” help provide structure and connection within the cell and between cells. The cytoskeleton influences the shape of the cell and aids in the relay of signals from one part of the cell to another. The cytoskeleton helps cells grow, move, retract, and even die.
