Question
Dynamic behavior of microtubules
Answer :
Word Count : 284
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Microtubules are highly dynamic cytoskeletal polymers composed of α- and β-tubulin heterodimers arranged into polarized, hollow filaments. Their dynamic behavior is characterized by continuous phases of growth and shrinkage, which allow cells to rapidly reorganize their internal architecture. This behavior arises from the intrinsic properties of tubulin dimers, particularly their ability to bind and hydrolyze GTP. Tubulin dimers add preferentially to the plus end of a microtubule in a GTP-bound form, forming a stabilizing GTP cap that promotes polymerization and structural integrity. A key feature
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