BSCI105, Freshman Connection Fall 2012Major Points, Lecture 6 (Chapter 6 & 47)1. What are some general functions of the cytoskeleton?2. What are microtubules made of? Describe or draw their structure.3. Give three examples of functions of microtubules.4. What organizes the microtubules of the cytoskeleton in animal cells?5. What are microfilaments made of? Describe or draw their structure.4. Give three examples of functions of microfilaments.5. What are intermediate filaments made of? Describe or draw their structure.6. What nuclear structure is made of intermediate filaments?7. What are three important functions of microtubules besides the cytoskeleton?8. What is the sub-cortical cytoskeleton? What does it do?9. Besides their role in the cytoskeleton, what other process are microfilaments used for?10. What is the function of intermediate filaments in the cytoskeleton?11. What property of intermediate filaments makes them important skin or muscle cells?12. What structure do plants and fungi use for external support of cells?13. What is the plant version made of?14. What is the fungal version made of?15. What do we call the mass of molecules associated with the outside surface of a cell?16. What type of cell junction is found only in plants? Describe their structure and function.17. Describe the structure and function of tight junctions.18. Describe the structure and function of desmosomes.19. Describe the structure and function of gap junctions.20. What do we call the process where whole tissues change shape?21. What is the effect of cell elongation of tissue shape?22. What part of the cytoskeleton is involved in this process?22. What is the effect of cell apical contraction on tissue shape?23. What part of the cytoskeleton is involved in this process?24. Describe what happens during convergent extension. What is the net result?25. Name one class of molecules that is important for regulating tissue
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