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Historical scientific breakthroughs that led to our current understanding of viruses, viroids, and prions




Your answer for each question should be a minimum of 150 words (half page), include;recent reference utilized.;1. What were the historical scientific breakthroughs that led to our current understanding of;viruses, viroids, and prions?;2. How do viruses, viroids, prions, and bacteria differ in terms of their biological identity and;method of infection?;3. What are the chemical and physical properties and the lytic/latent cycles of animal and;plant viruses?;4. How can viruses lead to cancer? Be sure to use specific examples (e.g. virus name and;the cancer it causes) to illustrate your points.;5. 8. What are the distinguishing characteristics of lichens with regard to their nutritional;needs, and what are the roles of the fungus and the alga that make up lichens?;6. 9. Describe the physiological characteristics that differentiate the eleven major phyla;present in the Domain Bacteria and discuss the importance to humans or the;environment of representative member genera from each of these phyla.;7. 10. What is the Bergey's Manual, and how is it used as a tool in the classification or;identification of bacteria?


Paper#15415 | Written in 18-Jul-2015

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