for medicines and cure. Identification of bacteria is a multistep process because while some preliminary guesses can be made from the morphology of microbes on various differential agars‚ various other tests need to be done to differentiate and confirm their identity. RESULTS Bacteriology – When grown on MacConkey agar‚ A had abundant growth of pink punctiform colonies that are circular and moist. Microbes A are gram-negative cocci. B had moderate growth of yellow punctiform colonies that are circular
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David Kennedy Bio 210 Lab Report 1 10/11/13 Microbial Growth Background Information: This lab was conducted in order to understand basic differences among differential and selective media‚ while recognizing how each media is used to isolate and identify microorganisms (Wistreich‚ 2003). The first microorganism analyzed was Staphylococcus epidermidis. This organism is gram-positive‚ single celled‚ arranged in grape-like clusters‚ and cocci in shape (Bukhari‚ 2004). S. epidermidis is approximately
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groups then placed in agar plates simulating different environments: the bacteria lacking the pGLO plasmid was subjected to an environment solely contaiing nutrients and another containing nutrients and ampicillin; the bacteria containing pGLO was subjected to an environment containing solely nutrients and one containing nutrients‚ ampicillin‚ and the sugar arabinose. After being allowed to grow in their respective environments‚ the following agar plates grew E. Coli colonies: agar containing nutrients
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Introduction: Microbes‚ also called microorganisms‚ are minutes living things that individually are usually too small to be seen with the unaided eye. The group includes bacteria‚ fungi (yeast and molds)‚ protozoa and microscopic algae. It also includes viruses‚ those noncellular entities sometimes regarded as straddling the border between life and nonlife. People tend to related these microbes only with major disease such as AIDS‚ uncomfortable infections‚ or such common inconveniences as spoiled
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BURU IN JAMAICA During the period of slavery in Jamaica‚ Christmastime was usually the only opportunity that the slaves had to have any type of celebrations. In light of this‚ Christmas was characterized by many activities where the slaves feasted‚ sang‚ danced and just enjoyed themselves. One of the main activities that were observed at this time was masquerading. This occurred in two forms‚ Jonkunnu‚ with which most people are familiar‚ and Buru. Buru is an African-derived masquerade celebration
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Course: BIO-205 BD2 Microbiology Instructor: Dirk VandePol Date: 6/21/2013 Streak Plate Isolation for Obtaining Pure Culture 1. When an agar plate is inoculated‚ why is the loop sterilized after the initial inoculation in put on? Ans: We use agar plate to inoculate microbes by zipping the loop on the agar several times. We streak on the agar plate four time‚ propose is to isolate the unknown bacteria. Therefore‚ the first time to streak on the plate‚ there are million of bacteria on the
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002141-0012 Nuba Jackson IB Biology Microbiology IA How effective is Lysol in the reduction of bacterial growth compared to Pinesol in reduction of E. Coli growth in agar at room temperature? Background Information: Pinesol and Lysol are both common household disinfectants that make very big commercial claims; both claim to kill 99.9 percent of bacteria. Lysol contains
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fight‚ and would stop its growth. HA- If we add E. coli and B. subtilis to agar‚ and add Penicillin and Tetracycline to the agar‚ then the E. coli will grow more around the Penicillin and the B. subtilis will grow more around the Tetracycline‚ because E. coli is resistant to Penicillin and B. subtilis is resistant to Tetracycline. HO- If we add E. coli and B. subtilis to agar‚ and add Penicillin and Tetracycline to the agar‚ then the E. coli will grow more around the Tetracycline and the B. subtilis
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modelled using agar cubes soaked in the indicator phenolphthalein. The cubes will be cut into various sizes of 1cm to 3cm‚ then will be immersed into the acid‚ therefor the rate of diffusion can be measured by the decolouration that take place as the acid diffuses into the agar cube. Aim: To investigate how varying the surface area to volume ratio affects the rate of diffusion between three agar cubes. Hypothesis: The greater the surface area to volume ratio of the phenolphthalein agar cubes‚ the
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Brand Recall Research for Close-up ACKNOWLEDGEMENTS We would like to thank our professor and guide Mr.Victor Manickam‚ for giving us this opportunity to unleash our potential in conducting research work. Also‚ our sample Audience for their co-operation. MAIN QUESTIONNAIRE GRAPHS [S11] COULD YOU TELL ME ANY ORAL CARE BRANDS YOU ARE AWARE OF? TOM When asked about the awareness level of different brands of oral care products the Colgate and Close-up are the ones that have highest
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