Assignment: SCI115 Week8 Discussion-STR Assignment: SCI115 Week8 Discussion-STR
Assignment: SCI115 Week8 Discussion-STR
Assignment: SCI115 Week8 Discussion-STR
Assignment: SCI115 Week8 Discussion-STR
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Pick one of the following topics and write a primary post of at least 125 words addressing that topic. Also, please make a substantive reply to one of your fellow students.
Topic 1. The Hawaiian Bobtail Squid and its bacterial endosymbiont. In a 4 minute video clip (1), Bonnie Bassler explains the relationship between the Hawaiian Bobtail squid and it’s endosymbiont, the bacterium Vibrio fisheri. Answer the following two questions about this arrangement:
(a) What are the main characteristics of the partnership between these two species?
(b) How does each species benefit?
Topic 2. Virus Reassortment and the Alaska Connection Read the article from MIT News (2) about tracking the spread of bird flu. Address the following:
(a) The article (2) describes genetic reassortment of influenza viruses. Explain how genetic reassortment works and what the significance of it is for humans and for domestic fowl.
(b) The article (2) explains that one way that influenza strains enters North America is through Alaska. Explain how that works and what the significance of it is for humans and for domestic fowl.
Topic 3. Endophytes that benefit plants. Read reference (3) or reference (4) or another article of your choosing.
(a) Describe what an endophyte is and give a specific example
(b) Provide an example of at least one beneficial effect of certain endophytes on their plant hosts.
References:
1. iBioEducation, 2013, Quorum sensing in bacteria – Bonnie Bassler, https://www.youtube.com/watch?v=LebqwdQSFHE
2. Anne Trafton, March 17, 2017, Tracking the spread of bird flu, http://news.mit.edu/2017/tracking-spread-bird-flu-alaska-north-america-0317
3. Universidad Politecnica de Madrid, December 18, 2015, Endophytic fungi in elm trees help protect them from Dutch elm disease, https://www.sciencedaily.com/releases/2015/12/151218085929.htm
4. Claire O’Connell, April 7, 2016, Plants get by with a little help from their microbial friends. https://www.irishtimes.com/news/science/plants-get-by-with-a-little-help-from-their-microbial-friends-1.2593676
You must proofread your paper. But do not strictly rely on your computer’s spell-checker and grammar-checker; failure to do so indicates a lack of effort on your part and you can expect your grade to suffer accordingly. Papers with numerous misspelled words and grammatical mistakes will be penalized. Read over your paper – in silence and then aloud – before handing it in and make corrections as necessary. Often it is advantageous to have a friend proofread your paper for obvious errors. Handwritten corrections are preferable to uncorrected mistakes.
Use a standard 10 to 12 point (10 to 12 characters per inch) typeface. Smaller or compressed type and papers with small margins or single-spacing are hard to read. It is better to let your essay run over the recommended number of pages than to try to compress it into fewer pages.
Likewise, large type, large margins, large indentations, triple-spacing, increased leading (space between lines), increased kerning (space between letters), and any other such attempts at “padding” to increase the length of a paper are unacceptable, wasteful of trees, and will not fool your professor.
The paper must be neatly formatted, double-spaced with a one-inch margin on the top, bottom, and sides of each page. When submitting hard copy, be sure to use white paper and print out using dark ink. If it is hard to read your essay, it will also be hard to follow your argument.
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