1. 10 pts. What is the difference between exotoxin and endotoxin? Do they both cause the same effects on the human body?

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1. 10 pts. What is the difference between exotoxin andendotoxin? Do they both cause the same effects on the human body?Give examples of both and discuss how they function.
2. 10 pts. Is the Type III Secretion System an example of anexotoxin delivery system or an endotoxin delivery system? Why orwhy not?
3. 10 pts. Several organisms covered in class thus far aredefined as obligate intracellular parasites. What factors/traitsappear to be in common between them?
4. 10 pts. What appears to be the mechanism of prion diseases?Why are they called spongiform encephalopathies?
5. 10 pts. Viruses under Baltimore classification IV, V, and VIare all RNA viruses. Explain how they are differentiated under thisclassification.
6. 10 pts. What is the origin of the viral envelope and howmight it help in viral pathogenicity?
7. 10 pts. What are the methods of bacterial adhesion to asurface and how might they help in bacterial pathogenicity?
8. 10 pts. Explain how a portal of entry for a microbe may alsobe the portal of exit.
9. 10 pts. What is the difference between ID50andLD50? Explain how they are used when describing apathogen or toxin.
10. 10 pts. What are some cytopathic effects of viruses? Do weuse any of these to our advantage in research settings?