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Evol of Disease

Evol of Disease - ability to cause disease b Which...

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Bio 201 Evolution of Disease I. Antibiotic Resistance a. Why is it important to take the full course of antibiotics? b. What problems can arise if you take antibiotics when they are not needed? i. What are normal flora? ii. Why is it problematic when your normal flora evolve resistance? c. Why is it important to minimize the commercial use of anti-bacterials such as pine-oils and triclosan? d. What is one important mechanism of resistance that could confer resistance to many classes of antibiotics simultaneously? II. Influenza a. What characteristics of the Influenza genome contribute to its continuing
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Unformatted text preview: ability to cause disease? b. Which influenza genes show the fastest rate of molecular evolution? What phenomenon explains why they evolve so fast? c. What is ‘antigenic drift’ and how does it explain why individual people can be repeatedly infected by the flu year after year? d. How does ‘antigenic drift’ differ from genetic drift? e. What is ‘antigenic shift’ and how does it occur? f. Why does an ‘antigenic shift’ often produce pandemics (like the 1918 flu) that infect far more people than the yearly seasonal flu epidemics?...
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