Cytoskeleton

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components/functions of cytoskeleton, microtubules, microfilaments, and intermediate filaments

Last updated 11:55 PM on 9/1/26
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7 Terms

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Components of Cytoskeleton

  • microtubules

  • microfilaments

  • intermediate filaments


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Microtubules

compression-resisting hollow rods composed of tubulin

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Microtubule Function

  • maintain cell shape
  • control motility (cilia, flagella)
  • move cell components (chromosome segregation, vesicle guidance)
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Microfilaments

tension-bearing solid rods composed of actin

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Microfilament Function:

  • maintain cell shape
  • control motility (amoeboid movement)
  • muscle contraction
  • cell division
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Intermediate Filaments

tension-bearing filaments w/ diverse composition (keratins, neurofilaments) only present in some animal cells

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Intermediate Filament Function

  • maintain cell shape
  • position nucleus