30_pdfsam_apluspreptt1pkg - Select the best answer: A. None...

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Select the best answer: A. None of the above B. All of the above C. 1, 2, 3 D. 3 E. 3, 5 8. Which statement(s) is/are true about nature of viruses? 1. Some viruses have fusion proteins (F-proteins), like GP120 in Human Immunodeficiency Virus, in order to form giant multinucleated cells to evade immune system 2. Serine (O-linked), Threonine (O-linked), Tyrosine (O-linked), and Arginine (N- linked) are the only four amino acids that can be gylcosylated 3. Viral proteins can interact with viral lipids and form covalent bonds 4. Poliovirus is one of the smallest viruses, and 56,000 Poliovirus particles side by side measure 1mm 5. All viral polymerases have helicase activity Select the best answer: A. None of the above B. 1, 2, 3 C. 3, 5 D. 4, 5 E. 5 9. Which statement(s) is/are true about viroids and virusoids? 1. Avocado Sunblotch Viroid and Peach Latent Mosaic Viroid are the only two viroids that can cleave long negative-sense RNAs called concatamers into small RNA pieces without the help of host proteases
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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- Toronto.

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