32_pdfsam_apluspreptt1pkg - 2. In the maturation of Polio...

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2. In the maturation of Polio provirus into Poliovirus, protein 1AB must be auto- cleaved at the specific QG (Glutamine/Glycine) site 3. WIN are a series of chemicals designed to the block the canyon and consequently the binding of the virus to the cellular receptor 4. Most cases of infections with Polioviruses are symptomatic with influenza-like illness, but paralytic poliomyelitis occurs only in 0.1-2% of infections 5. Human Immunodeficiency Virus (HIV) seems to have originated from the inactivated polio vaccine contaminated with Semian Immunodeficiency Virus (SIV) Select the best answer: A. None of the above B. All of the above C. 1, 2, 3 D. 3 E. 3, 5 14. Which statement(s) is/are true about viral assays? 1. Plaque assays are used only for animal viruses 2. L.D.50 means 50% positive and 50% negative effect for diluted mixtures of virus- antibody in end-point titration assay 3. ELISA assay cannot be used for plant viruses because vertebrates are the only animals that are able to produce antibodies
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This note was uploaded on 09/19/2010 for the course CSB CSB351 taught by Professor Ab during the Spring '09 term at University of Toronto.

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