VSC433 S08 Exam Three Key

VSC433 S08 Exam Three Key - VSC/MIC/MCB 433 Medical and...

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VSC/MIC/MCB 433 Medical and Molecular Virology Spring 2008 Exam Three Multiple Choice: 2x5=10 points 1. As a group negative strand RNA viruses do not need to code for a protease because: A. The ribosome “frameshifts” to produce the viral POL proteins B. The viruses use cellular protease(s) to cleave polyproteins C. The genomes are segmented D. mRNA molecules are produced that code for each protein E. mRNAs are produced by splicing 2. The type of RNA virus that can contain both negative and positive polarity in the same strand of RNA is referred to as: A. Nested B. Ambisense C. mRNA D. Containing a pseudoknot E. Containing a hairpin structure 3. The Paramyxoviruses can produce multiple proteins from the P gene by: A. The use of nested mRNA molecules. B. Errors resulting from the RNA polymerase C. A start-stop mechanism of conserved intergenic regions. D. The synthesis of a polypeptide that is cleaved by a viral protease. E.
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This note was uploaded on 02/24/2009 for the course VSC 433 taught by Professor Dr.jimcollins during the Fall '08 term at Arizona.

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VSC433 S08 Exam Three Key - VSC/MIC/MCB 433 Medical and...

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