ProblemSet9

ProblemSet9 - Why? f. Double stranded RNA is foreign to...

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BIMM100 Fall 2009 Problem 9 1. You find that a certain chicken virus you’re studying has a single stranded RNA genome. a. If this is not a retrovirus, what protein is required for the virus to replicate in the chicken cell? b. What type(s) of RNA viruses MUST carry this protein with them? Why? c. This chicken virus contains a capsid composed of 5 copies of the Banana protein. Why is this usually the case rather than having a capsid composed of 5 different proteins? d. What determines the host cell range of this virus (Why is it only a chicken virus)? e. If the virus is an enveloped virus, it may be harder for the immune system to detect.
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Unformatted text preview: Why? f. Double stranded RNA is foreign to chicken cells. (1) Briefly describe one way the cell will degrade the viral RNA. (2) When this process is utilized for RNAi, the results are temporary (the RNA of interest can be found again in the cell days after the RNAi treatment). If performed effectively in the cell against the chicken virus, the results are permanent. Explain the discrepancy. 2. Briefly describe the lytic and lysogenic life cycles. 3. The influenza virus is classified by the specific HA and NA genes it possesses. What are the functions of HA and NA?...
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ProblemSet9 - Why? f. Double stranded RNA is foreign to...

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