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Cell Biology 6 - Cell Junctions

  1. Where are cell junctions found?
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  2. What are three types of junctions?
    • Impermeable junctions
    • Anchoring junctions
    • Communicating junctions.
  3. How do researchers look at cell-cell junctions?
    They use light microscopy, or electron microscopy for detail.

    • There are two different types of electron microscopy, both of which have particular value.
    •   - Conventional transmission electron microscopy.
    •   - Freeze fracture microscopy.
  4. How are tissues prepared for conventional E.M.?
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  5. How are tissues prepared for freeze-fracture E.M?
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  6. Why would you sometimes freeze fracture instead of sectioning? What do the two techniques allow you to see differently?
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  7. What are two functions of tight junctions?
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  8. What function do anchoring junctions provide?
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  9. What is the general picture of anchoring junctions, and what are the specifics of anchoring junctions?
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  10. What are communicating junctions, and how were they discovered?
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  11. What is the structure of gap junctions?
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  12. What are some functions of gap junctions?
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  13. Give a summary of cell junctions
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Author
james14hunter
ID
286365
Card Set
Cell Biology 6 - Cell Junctions
Description
Cell Biology 6 - Cell Junctions
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