hw9 - 9(6pts What are the main components of the...

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IO 5099 Homework Assignment #9 Name _____________________________________ Due start of class, Thursday October 24 th . Late assignments are not accepted, show your work for partial credit. Assignments may be e-mailed to: [email protected] or [email protected] anytime, or faxed to (303) 556-2889 between 3:00 and 4:00 p.m. on Tuesday. Please check the web site homework page for specific hints on this assignment. Define in your own words and give an example: 1. (2pts) Nucleolus 2. (2pts) Heterochromatin 3. (2pts) Nuclear pore 4. (2pts) Microtubules 5. (2pts) Intron 6. (2pts) Vacuole
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7. (3pts) What is the pH inside a typical lysosome? Why? 8. (3pts) Describe the function(s) of the telomere.
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Unformatted text preview: 9. (6pts) What are the main components of the endomembrane system? Briefly describe the function of each. 10. (4pts) Suppose a fluorescence tagging experiment finds a protein that is synthesized in the rough endoplasmic reticulum, but does not appear in the Golgi complex. Where might this protein be destined? What might its function be? 11. (3 pts) Why do most cells have relatively little smooth endoplasmic reticulum? 12. (5pts) In the following electron micrograph label at least 5 distinct organelles. 13. (4pts) Describe in detail the molecular events that follow the binding of a chemoattractant molecule (e.g., aspartate) to the bacterial chemotaxis system...
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