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    Microbiology Unknown

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    Autumn White Biology 258-05 November 26‚ 2012 Unknown #19 Enterbacteriaceae Enterobacter aerogenes ABSTRACT The objective of this report was to identify an unknown microorganism through several differential media tests. Over the course of a couple weeks‚ ten tests were performed. First‚ a gram stain was performed‚ indicating the bacterium was gram negative. An aerotolerance test determined that the bacterium was a facultative anaerobe. Next‚ a negative result in the

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    is lactose-negative. 15. C. Citrate test 16. the citrate test will differentiate E. coli from Klebsiella. Normally a battery of test would be performed to separate the numerous species in the family Eneterobacteriaceae. 17. B. The bacteria are citrate-negative. 18. the tube started off with the same green color‚ so no change occurred. This is in contrast to the tube on the bottom that was inoculated with a citrate-positive bacterium. this means that colony type 2 is normal E. coli

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    Bacteria are among the oldest species in the world.They both incerease in number and comply with nature very quikly so‚they maintain their species.Therefore‚bacteria have been the most common type of species according to number.Hence‚bacteria had been classified in order to make analysis.easily.Bacteria can be classified into three main categories on the basis of their nurition:saprophytic‚parasitic and chemoautotrophic bacteria. The Saprophytic bacteria are the first type of bacteria

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    Bacteria and Archaea

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    Bacteria and Archaea The Archaea are presently recognized as one of the two main domains of prokaryotes. The majority of genes that indicate Archaea to be different from Bacteria are for information transfer processes such as DNA replication‚ transcription and translation. Of these‚ DNA replication machinery appears to be most different between the two domains. In terms of transcription‚ the core subunits of the RNA polymerase are the same in Bacteria and Archaea‚ but archaea also contains several

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    Bacteria Vaginosis

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    Amber McMillian May 26‚ 2009 Bacterial Vaginosis This is a vagina condition also referred to as Gardnerella Vaginitis that can produce vaginal discharge that is a result from an overgrowth of normal bacteria. This will cause a woman to have a vaginal discharge with a foul odor. It is not dangerous but it can cause bad symptoms. If any woman has this problem they should also be checked for more serious infections such as Chlamydia and Gonorrhea. The normal symptoms are excessive vagina discharge

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    Unknown liquid

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    this lab was to determine the density of water and an unknown liquid. Density is defined as the mass of a substance divided by its volume. It is an intrinsive property of matter and is used to specifically characterize substances. III. Procedure: 1.We massed an empty 10mL graduated cylinder to the nearest .01g. 2.Then‚ we filled the graduated cylinder with 4.0-5.0 mL of distilled water‚ 3.massed it to the nearest 0.1 ml and 4. recorded the data. Then to determine the density of the unknown liquid;

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    Unknown Paper

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    04/29/2013 G-Unknown code Gram Positive-Micrococcus luteus Gram Negative- Klebsiella pneumoniae Unknown Paper The unknown project was a very good realization of me and my partner going out by our selves. The very first day of the Unknown project I was acquainted with Denise who was very friendly and was very nice as far as assisting me in the project. The first day we were introduced too various different forms of the unknown such as broth‚ Blood agar plate‚ MSA plate

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    Gut Bacteria

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    Gut Bacteria In today’s world‚ many people have a very negative connotation when they hear the word “bacteria”. Bacteria have been the cause to many diseases‚ however bacteria do have some benefits and uses. There are thousands and thousands of different types of bacteria in the world and one group of bacteria‚ Gut Flora‚ has become evident in the bacterial community for being beneficial. Gut Flora is a group of bacteria that consists of microorganisms that live in the digestive tracts of animals

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    Logarithm and Bacteria

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    is researching a newly-discovered species of bacteria. At time t = 0 hours‚ he puts one hundred bacteria into what he has determined to be a favorable growth medium. Six hours later‚ he measures 450 bacteria. a. Assuming exponential growth‚ what is the growth constant "k" for the bacteria? (Round k to two decimal places.) b. After 10 hours‚ how many bacteria will there be? c. When will there be 10‚000 bacteria? 10. A certain type of bacteria‚ given a favorable growth medium‚ doubles in

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    sterile swab obtained sample of bacteria from skin then transferred using the aseptic transfer technique into the sterile media. Incubated both specimens for 48 hours observed and recording results of growth at 24 and 48 hours. After observing final growth pattern at 48 hours prepared both wet mount and direct stain slide for each of the cultures. Viewed under microscope using both the 40X and 100X oil immersion lens. Disinfected work area. Observations: |Bacteria

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