https://www.nature.com/scitable/topicpage/microtubules-and-filaments-14052932

Learn how microtubules, actin filaments, and intermediate filaments organize the ... In many types of cells, networks of actin filaments are found beneath the cell ...

https://en.wikipedia.org/wiki/Microtubule

Microtubules are polymers of tubulin that form part of the cytoskeleton and provide structure ..... It has been found that microtubules act as “struts” that counteract the contractile forces that are needed for trailing edge retraction during cell ...

https://www.ncbi.nlm.nih.gov/books/NBK9932/

In animal cells, the major microtubule-organizing center is the centrosome, which is located adjacent to the nucleus near the center of interphase (nondividing) ...

https://micro.magnet.fsu.edu/cells/microtubules/microtubules.html

Nov 13, 2015 ... Microtubules. These straight, hollow cylinders are found throughout the cytoplasm of all eukaryotic cells (prokaryotes don't have them) and ...

https://www.khanacademy.org/science/biology/structure-of-a-cell/tour-of-organelles/a/the-cytoskeleton

Microtubules, microfilaments (actin filaments), and intermediate filaments. ... In most animal cells, a network of actin filaments is found in the region of cytoplasm  ...

https://www.mechanobio.info/cytoskeleton-dynamics/what-is-the-cytoskeleton/what-are-microtubules/

Microtubules are among the stiffest structural elements found in animal cells. Despite this they are often bent by the strong internal forces of the cytoskeleton [5 ] ...

https://www.ruf.rice.edu/~bioslabs/studies/invertebrates/microtubules.html

Microtubules are filamentous intracellular structures that are responsible for ... However, it is doubtful that the two types can found in cells as individual proteins.

https://www.pnas.org/content/101/18/6839

May 4, 2004 ... Shortly after the discovery of dynamic instability, it was found that posttranslationally modified microtubules can be very stable and turn over ...

http://www.biology.arizona.edu/cell_bio/tutorials/cytoskeleton/page1.html

The cytoskeleton is unique to eukaryotic cells. It is a dynamic three-dimensional structure that fills the cytoplasm. This structure acts as both muscle and skeleton,  ...

http://www.biology4kids.com/files/cell_microtubule.html

Biology4Kids.com! This tutorial introduces microtubules. Other sections include plants, animal systems, invertebrates, vertebrates, and microorganisms.