Gram Staining: Gram positive and Gram negative bacteria One of the most important cytological features of bacteria is their reaction to a simple procedure called, after its discoverer, the Gram stain. The cell wall of bacteria shows a characteristic reaction to the gram stain devised by C. Gram. Gram Staining Procedure Gram staining procedure Source: deenahere How Gram Stain works? Gram Staining Principle: Step by step procedure with explanation * Gram Staining Principle: Step by step
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the mass-production of penicillin, new bacteria arose that could resist the antibiotic, thus posing a renewed threat to the world’s population. Ever since the establishment of antibiotics, new “superbugs” have appeared that for years have challenged scientists to keep up with specialized medications to defeat and prevent these intrusive foes. Although most scientists have been effective in their research, newer, and stronger strains of super bacteria continue to appear. Many experts have concluded
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What Types of Bacteria are Found on Gas Pump Handles? BY: ANNIE LYONS Problem/Question: How much bacteria are on gas pump handles? Do the newer gas stations have less germs than the older ones? Do we need to sanitize our hands after we pump gas? Hypothesis: Gas pump handles contain bacteria that could cause harmful diseases. There will be a significant amount of staph bacteria on the handles. Control: Each gas pump handle will have
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By: Richard Martinez MCB-2010L Microbiology Lab Dr. James Rogers 11/29/13 Unknown bacteria were determined to be Escherichia coli and Bacillus cereus due to their morphological, physiological and metabolic properties. I. Abstract In a laboratory setting, it often becomes necessary to identify an unknown organism. In this experiment, researchers classified some unidentified bacteria based on their physical structure, colony morphology, optimal conditions and metabolic properties
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com/shop/m4a1-create-bacterial-key/ M4A1: Create Your Own Bacterial Key Throughout the previous modules you have gained information on the methods used to distinguish different bacteria from one another. This activity serves to reinforce the concepts associated with biochemical tests, help you learn the metabolic strategies associated with individual or groups of bacteria, and strengthen your understanding of basic morphological differences. For this assignment, you are to choose one (1) of the groups, either A) oral/respiratory
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Bronchopneumonia-bronchitis+pneumonia Causes: * Staphylococcus aureus * Haemophilus influenzae * Klebsiella pneumoniae Prevention: Vaccinations can be very helpful in preventing bronchopneumonia. Treatment: Antivirals can help reduce the length of your illness and the severity of your symptoms. Epiglotittis-inflammation of epiglottis Cause: A bacterial infection is the most common cause of epiglottitis Prevention: * Wash your hands frequently or use alcohol sanitizer to
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HOW TO WRITE AN UNKNOWN LAB REPORT IN MICROBIOLOGY GENERAL Unknown reports in microbiology are written in scientific format. Scientific writing is written differently from other types of writing. The results of the exercise or experiment are what are being showcased, not the writing. The purpose of scientific writing is not to entertain, but to inform. The writing should be simple and easy to understand. There is a specific style that must be followed when writing scientific reports. Scientific writing
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com/shop/m4a1-create-bacterial-key/ M4A1: Create Your Own Bacterial Key Throughout the previous modules you have gained information on the methods used to distinguish different bacteria from one another. This activity serves to reinforce the concepts associated with biochemical tests, help you learn the metabolic strategies associated with individual or groups of bacteria, and strengthen your understanding of basic morphological differences. For this assignment, you are to choose one (1) of the groups, either A) oral/respiratory
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gen cephalosporin/beta lactam) * Adjunctive treatment with Dexamethasone Meningitis Pathogenesis – Bacteria * Infection begins with nasopharyngeal or oropharyngeal colonisation * IgA proteases are secreted by bacteria to combat the high concentrations of secretory IgA found on mucosal surfaces * Pili and flagella are used to adhere to host epithelial cells, and bacteria then enter the blood stream * Once in the
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test. After allowing the corresponding time for each biochemical test, data was collected to determine the unknown bacteria. The broth culture in this experiment was determined as Escherichia coli. Introduction All organisms are divided into three domains; bacteria, archaea, and eukarya. The organisms making up domain Bacteria and domain Archaea are all prokaryotes. Although bacteria and archaea look the same, archaea is more closely related to eukarya (Madigan et.al 2009). The ability to adapt
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