finalexam_1 - 10 11 12 13 14 15 16 17 l8 19 20 21 22 23 24...

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Unformatted text preview: 10. 11. 12. 13. 14. 15. 16. 17. l8. 19. 20. 21. 22. 23. 24. 25. BIO 3304 - FINAL EXAM - Fall 2004 Bacterial viruses were discovered by a. Jenner b. Rous c. Twort and di’Herelle d. Stanley. The one known exception to a single type of nucleic acid per virus is a. HIV b. cytomegalovirus c. influenza d. cold virus. The most accurate measure of live virus is a. protein measurement b. electron microscope particle count c. plaque count d. hemagglutination. The most probable cause of cervical cancer is a. herpes virus b. polyomavirus c. papilloamavirus d. poxvirus. If the DNA of T4 phage is labeled, cells are infected with the virus and then pelleted just before lysis, where will the label be found? a. supernatant b. cell wall c. flagella d. cytoplasm of the cell. When plus-strand virus infects a cell, the polarity of the nucleic acid produced for new virions is a. minus b. replicative form c. plus d. DNA-RNA hybrid. Single-stranded DNA phage use enzymes for replicative form intermediates fiom which source? a. viral plus strand DNA b. viral negative strand DNA c. host origin d. viral associated enzymes. When plus strand RNA phage infect a cell, the first event occurring is a. transcription b. translation c. replication d. assembly. The immediate product of the above event is a. replicative form RNA b. plus strand RNA genomes c. viral coded proteins d. DNA-RNA hybrids. In contrast to polio viruses (picomavirus) influenza virus RNA must first a. use host ribosomes to be translated into protein b. use host enzymes to replicate c. use virus coded enzymes for transcription d. use host DNA for primer. The first antibody class made after a primary challenge is a. IgG b. IgM c. IgA d. IgD. The lag phase for the secondary antigen challenge is a. longer b. shorter c. the same as for the primary. The myeloblast produces a. lymphocytes b. monocytes c. platelets d. granulocytes. Dendritic cells a. produce antibodies b. produce histamine c. display antigen d. kill other cells. The main purpose of lymph nodes is a. innate responses b. antibody production c. hormone production d. insulin production. Peripheral circulation leucocytes can be isolated fiom a. lymph b. lymph nodes c. urine d. buffy coat. The most common serum antibody is a. IgM b. IgG c. IgA d. IgD. In yeast, anaerobic oxidation produces a. glycine b. lactic acid c. ethanol Glycolysis and the TCA cycle are a. exergonic b. endergonic c. photoorganotrophic d. photosynthetic Allosteric inhibition results from binding of an inhibitor a. at the active site b. distant from the active site c. with ATP d. to the cell wall Anabolism usually requires a. NAD b. NADP c. Superoxides d. H202 Low 02 levels reduce activity of a. glycolysis b. TCA cycle c. DNA synthesis d. translation Glycolysis is a. aerobic b. anaerobic c. anabolic Sugars for nucleic acid synthesis are provided by a. Kreb’s cycle b. glycolysis c. TCA cycle d. pentose phosphate pathway. The total functional enzyme is called the a. apoenzyme b. coenzyme c. holoenzyme d. active site. ...
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