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    Mtb Case Study Examples

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    Mtb is classified as a Gram-positive bacteria, and is one of the few bacteria that can be cultured in the laboratory5. Its cell surface is partly composed of various virulence lipids, such as phthiocerol dimycocerosates (PDIMs) and phenolic glycolipids (PGLs). and mycolic acid3. Mtb, like many other bacteria, is capable of sensing and responding to their surrounding environment. It does so via the use of two-component systems, one of which is called PhoPR two-component system6. In order for Mtb…

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    Catalase Test Lab Report

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    We first needed to collect all the proper materials to conduct the tests on our unknown bacterial sample. To begin the lab, we had to collect a nonpathogenic bacterial sample by swabbing an item or surface inside the biology building with a sterile cotton swab. Our lab group decided to swab a Sharpie permanent marker left at our lab station inside our lab room. We then opened a petri dish and smeared the swab across the surface of the agar several times. Once the bacteria was on the agar, we…

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    paragallinarum reference strains (HP1, HP 90 and HP144) and two Australian Av. paragallinarum reference strains (HP14 and HP60) were selected for growth curve construction. Three broths were tested for their suitability of growth, Haemophilus Test Medium Broth (TMB), Cation-adjusted Mueller-Hinton Broth (CAMHB) with supplements and Veterinary Fastidious Media (VFM). TMB was prepared with 1% Biosate Peptone (BD), 1% sodium chloride (Merck Millipore, Australia), 0.1% starch (Merck Millipore), 0.1%…

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    Oral Microbiome Essay

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    Oral Microbiome 10: Reflection 3 One a daily basis the human mouth can come in contact with many different materials and organisms. “The human mouth is home to billions of individual microorganisms, including viruses, protozoa, fungi, archaea, and bacteria” (University of Minnesota Department of Biology Teaching and Learning, 2016, p. 21). In specific, during this lab we are looking at Streptococcus mutans (S. mutans) and Lactobacilli. In studies, it has been shown that yogurt has helped…

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    Availability PosiGen has a fairly wide service area which includes New York, Louisiana and Connecticut. More specifically, Albany, NY, Baton Rouge, LA, Bridgeport, CT, Houma, LA, Metairie, LA and New Orleans, LA. If you live outside of these service areas and are interested in PosiGen 's services, you will need to contact them to see if they would be willing to serve your area. If you live in a state outside of PosiGen 's service area, then you would be better off finding a local solar company…

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    Agar Deep Transfer

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    Three agar slants and three nutrient broths were inoculated with Staphylococcus epidermidis using aseptic techniques for transferring samples from broth, agar, and plate cultures. A sterile inoculating loop was used to transfer a loopful of culture from the culture to the sterile media. The lip of the culture tube and inoculated media tube was flamed before and after transfer. The inoculating loop was reserialized after transfer was complete. An agar deep transfer of S. epidermidis was also done…

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    Escherichia Coli

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    Objective I. To learn how to inoculate the nutrient broth properly in preventing contamination to the nutrient broth and the culture Escherichia Coli. This is done by sterilized the loop and sterilized the neck of the tub with heat from before use and before put the cape on. II. To learn how to do a simple streak of an E. coli culture on a nutrient agar plate with one stroke from start to end like a “Z”. III. To learn how to do a complex streak where we grow E. coli culture on the nutrient…

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    Vocabulary: Study Guide

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    (the tool): A wire made into a loop to assist in picking up inoculum from a culture of microorganisms. The loop is also used in the process of cultivating microbes by transferring inoculum for streaking. 3. Agar vs Blood Agar: a. Agar: a growth medium made with agar and other nutrients. The agar allows microorganisms such as fungi and bacteria to be cultured. b. Blood Agar: Blood agar is used for the purpose of cultivation and isolation of various strains of pathogenic bacteria. 4.…

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    Looking up at the night sky, little glowing dots are scattered across the night sky. They are known as stars. There are several billion stars in our galaxy, but only a few are seen with the naked eye. Stars are by definition, large exploding balls of gas made up of mostly hydrogen and helium. The two most unstable elements on the periodic table. The largest star in our galaxy is the sun. It’s the largest star and one of the few stars that are going through a star wide nuclear reaction. The…

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    Bbl Enterotube 2

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    Introduction : Enterotube II is used to identify multiple tests in one tube. twelve different conventional media plus a self-contained inoculating wire. The twelve test are for glucose and gas, then lysine, ornithine, H2S and indole, adonitol, lactose, arabinose, sorbitol, dulcitol, phenylalanine (amino acid), urea, and citrate (No VP test require). These medias performs 15 different biochemical tests that will determine the genus and the species of gram negative bacteria. This test will help…

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