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Homework 1 - cells kill some of their sibling cells...

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Homework 1 See syllabus and WebCT for due date and general instructions. All answers must be in your own words. Do not plagiarize the article or any other source. You must be clear and succinct to keep all of your answers on one page. Research article 1: LÛpez D, Vlamakis H, Losick R, & Kolter R (2009) Cannibalism enhances biofilm development in Bacillus subtilis. Molecular Microbiology 74(3):609-618. http://www3.interscience.wiley.com/journal/122604922/abstract Question 1 (5 points): How and why do a subset of Bacillus subtilis
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Unformatted text preview: cells kill some of their sibling cells? Question 2 (5 points): Describe how reporter genes were used in the experiment shown in Figure 2 to determine if the same cells were both cannibals and matrix producers. Question 3 (5 points): The authors of this paper use two methods to measure matrix production. What are the two methods and which one is more quantitative? Question 4 (5 points): For the experiment in Figure 3A, what is the negative control? For the experiment in Figure 7, what is the negative control?...
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