Cell Biology 5 - The Cytoskeleton

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  1. What are the three major cytoskeletal components and what is their size?
    • Microfilaments - Actin -7nm
    • Microtubules - Tubulin - 25nm
    • Intermediate filaments - many types - 10nm
  2. What is the structure of actin microfilaments?
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  3. Where are actin microfilaments found?
    What are three main functions?
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  4. Give an example of how actin provides stabilisation.
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  5. Give an example of actin providing pulling.
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  6. Give an example of how actin can be used for pushing.
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  7. What are microtubules?
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  8. Where are microtubules found?
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  9. What are the functions of microtubules?
    Organises the positions of organelles in the cytoplasm - such as mitochondria, ER, Golgi.

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  10. What are intermediate filaments?
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  11. What are the functions of intermediate filaments?
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  12. What is a summary of what to remember for the cytoskeleton?
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Cell Biology 5 - The Cytoskeleton
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Cell Biology 5 - The Cytoskeleton
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