MICROANATOMY

Detailed explanation-1: -Microtubules are the largest fibers of the cytoskeleton, with a 25-nanometer diameter. They are composed of two different proteins called alpha and beta tubulin. One dimer of tubulin contains one alpha subunit and one beta subunit. A microtubule is made up of many, many tubulin dimers.

Detailed explanation-2: -Microtubules are the thickest of the cytoskeletal fibers. These are hollow tubes that can dissolve and reform quickly. Microtubules guide organelle movement and are the structures that pull chromosomes to their poles during cell division. They are also the structural components of flagella and cilia.

Detailed explanation-3: -Microtubules. Despite the “micro” in their name, microtubules are the largest of the three types of cytoskeletal fibers, with a diameter of about 25 nm. A microtubule is made up of tubulin proteins arranged to form a hollow, straw-like tube, and each tubulin protein consists of two subunits, -tubulin and -tubulin.