Chapter 2 Global E-Business: How Businesses Use Information Systems Case 2: IT and Geo-Mapping Help a Small Business Succeed Tags: Entrepreneurship; Sales Strategy Management; Sales Tea Collection; Small business IT; geo-mapping technology; Summary: Emily Meyer and Leigh Rawdon started The Tea Collection‚ a children’s clothing wholesaler business in 2002. Their first product line consisted of three baby sweaters and a single shop. Today The Tea Collection has expanded to over 300 department
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ABSTRACT In todays world of ever evolving genetic mutations the incidence of drug resistant forms of microorganisms are on the rise. The importance of identifying these pathogens and their related epidemiology has become increasingly more important. The purpose of this study was to identify an unknown bacterium in a controlled laboratory environment over a 5 week period. Utilizing a variety of differential testing and staining methods learned in the microbiology course‚ students were to determine
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MacConkey Agar test This test is used for isolating the lactose fermenting bacteria from lactose non-fermenting bacteria while inhibiting the growth of gram positive bacteria. The lack of growth from my bacteria indicates that my bacterium has negative result. Mannitol Salt Agar This test is used to observe the difference between gram positive staphylococci bacteria and to differentiate for mannitol fermentation. If a yellow media change is observed then the bacteria has the presence of
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bacteria E.coli was the only type found in the given area by gram staining. E.coli was the chosen bacteria for this type of experiment. It is a gram negative bacterium that will grow rapidly given ‘any culture medium with the necessary energy source‚ nutrients‚ pH‚ and temperature’. Therefore‚ MacConkey Agar being the medium for its growth will enable us to achieve the experiment outcome. MacConkey Agar only allows the growth of gram negative bacteria as they do not contain bile salts and crystal
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Another sample was applied to a glass slide‚ heat fixed and a Gram stain test was performed. From the list of several possible choices for the unknowns‚ about half are eliminated. Table 1 indicates the tests that were performed on the unknown sample‚ all materials required for each test‚ as well as factors determining a positive or negative result. Test Performed Media/Reagents Used Positive Test Observations Negative Test Observations Gram Stain Crystal violet Gram’s iodine 95% Alcohol
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1. tested and measured? The purpose of this experiment was to determine whether the dark or light coleus leaf had the presence of starch. We used a dark and light leaf to test the presence of starch and how much was produced. 2. Summarize the results and how the results were obtained. Be sure to note the reason for each treatment of the leaves. As appropriate‚ compare experimental samples to controls. Both leaves were boiled in water then placed in hot ethyl alcohol. After adding the iodine
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for 48 hours at Standard Temperature and Pressure; 37C‚ 1 ATM (STP). A Gram stain was then carried out to differentiate the unknown sample from a broad class to a more specific category of bacteria. The Gram stain distinguishes between Gram-positive and Gram-negative bacteria based on the composition of the cell walls. Gram-positive bacteria appear purple and Gramnegative bacteria appear pink after staining. The first Gram stain produced unsatisfactory results and was then repeated with a clear
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Requirements for Unknown Report You have been provided a mixed culture (a gram positive and a gram negative) from which you should have isolated each type of organism‚ described their colonies on a TSA plate‚ and described their cellular morphology. You were graded on this activity separately. After you have isolated your gram negative in pure culture you will be subjecting it to various biochemical tests and making observations about the cells‚ colonies‚ growth temperature preferences‚ etc. in
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medicine but there is still yet to be a perfect ideal antibiotic. In this experiment six antibiotics will be tested to determine which is the most effective on gram-negative bacterium Escherichia Coli and gram-positive bacterium Bacillus Cereus. In previous class experiments‚ gram-staining was conducted to determine the qualities of gram-positive
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1. Make sure you label both plates on the bottom‚ with your name‚ date and name of pathogen you have chosen (listed above under materials) Then label numbers 1-5 on one plate and 6-10 on the other as there are 10 disks that need to be placed. Spread out in a circle formation like pictured below (This is the final product; look at this for reference on how to label) Now you are ready to start culturing. Start with one of your plates you can do both at the same time but to avoid making any errors
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