the Compound Light Microscope INTRODUCTION: A German bacteriologist‚ Dr. Theodore von Escherich‚ was the first man in 1885 who discovered the bacterium named Escherichia coli‚ which are gram negative and appears in rod shaped. Most kind of bacteria E. Coli does not cause diseases and some strains indeed are beneficial in helping the process of food breaking down in the intestines. However‚ “the most infamous strain E. Coli O157:H7”‚ which caused the outbreak of Jack in The Box hamburger in
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REVIEW OF RELATED LITERATURE This investigatory project aims to make use of rambutan peeling extracts that is high in phenolic compounds such as tannin and saponin that exhibits antioxidant activity and antibacterial activity against pathogenic bacteria. Although the seeds contain such compounds the peeling exhibit greater amount of the said compounds. Rambutan is a very popular fruit cultivated in the Philippines and it is eaten in large amounts. The rambutans rind is quickly discarded and
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Yannelly De Leon General Intent vs. Specific Intent “Intent: A determination to perform a particular act or to act in a particular manner for a specific reason; an aim or design; a resolution to use a certain means to reach an end.” [1] The difference between General Intent vs. Specific Intent is when the defendant commits a crime with a specific end in mind and general intent is when a defendant commits a crime with no specific result in mind. General intent crime includes but is not limited
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Abstract: It is important to be able to identify pathogenic bacteria that may be causing harm. Tomato crops can be affected by several different pathogenic bacteria. By using Koch’s postulates‚ it was determined that Pseudomonas syringae was the bacteria causing rot. There are four criteria that must be met when using Koch’s postulates. They are that the organism must be fund in all infected‚ the organism must be isolated in pure culture then once reinnoculated in a healthy host‚ must cause the
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Unit 2 Assignment Critical Thinking 1. Explain why‚ even under ideal conditions‚ Streptococcus grows slowly. Cellular respiration is a process in which glucose is broken down to form an energy that can be used by the cell. There is aerobic respiration and there is anaerobic respiration. Aerobic respiration involves a series of chemical reactions in which oxygen is used to transform into carbon dioxide and H2O. This process generates energy carrying molecules called ATP. Anaerobic respiration
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could achieved of which different products to test for my concluding idea. The type of bacteria that I am going to discuss and chosen is E-coli. I will also going to research the effectiveness of antibacterial cleaning products‚ for instance sanitizer. I will also‚ research which is the most effective product for the house hold and some other work places. Background Information What are Bacteria? Bacteria are found in: soil‚ radioactive waste‚ water‚ plants‚ animals‚ deep in the earth’s crust
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Chapter 27. BACTERIA & ARCHEA Overview: Prokaryotes thrive almost everywhere‚ including places too acidic‚ salty‚ cold‚ or hot for most other organisms Masters of Adaptation Most prokaryotes are microscopic‚ but what they lack in size they make up for in numbers There are more in a handful of fertile soil than the number of people who have ever lived They have an astonishing genetic diversity Prokaryotes are divided into two domains: bacteria and archaea Structural‚ functional‚ and genetic
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be based on three articles that were assigned: Lipopolysaccharide modification in Gram-negative bacteria during chronic infection‚ Fortifying the barrier: the impact of lipid A remodelling on bacterial pathogenesis‚ and Pathogenicity of Yersinia pestis synthesis of 1-dephosphorylated lipid A. It will be a summary and my opinion of each article. The first article has to do with Gram-negative bacteria lipopolysaccharide layer(LPS) and how it plays a key role in host-pathogen interactions in the immune
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foodborne hazard in the food service and food retail businesses. These includes harmful microorganism seen only in the microscope 1. BACTERIA 2.VIRUSES 3. PARASITES 4. MOLDS 5. YEAST Other living organism are: • Insects: RODENTS FARM ANIMAL DOMESTIC PETS BIRDS FISH PLANTS TRANSMIT DISEASE TO HUMAN BEING • Even healthy people are sources of pathogenic microorganism. Those are people who does not wash their hands frequently and do not properly practice personal hygiene are the
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serving as vehicles. Microbial contaminants may be transmitted directly‚ through hand-to-hand contact‚ or indirectly‚ via food or other inanimate objects like fomites. (Rote‚ et al.‚ 2010) According to Umeh‚ et al (2007)‚ Contamination of objects by pathogenic microorganism is much a public health concern as contaminated materials can be sources of transmitting pathogens. Items that pass from hand to hand are likely to be contaminated with disease causing microorganisms especially if handled with unclean
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