Micro Test #1 Unit 1 Question 1 2 out of 2 points | | | Viral host range is limited by Answer | | | | | Selected Answer: | Type of host cell receptors on cell membrane | Correct Answer: | Type of host cell receptors on cell membrane | | | | | Question 2 2 out of 2 points | | | Which type of microscope achieves the greatest resolution and highest magnification? Answer | | | | | Selected Answer: | Electron | Correct Answer: | Electron |
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Escherichia coli Microbiology Lab NAS 185-14L Introduction In this lab experiment we did several test to determine what our unknown bacteria was. To determine this we recorded the results of how the bacteria reacted to different media. Depending on the results of each test we could narrow down the different bacteria to determine what our unknown is. This experiment will also determine if our bacteria is a fermenter of sugars and if it is catalase positive. If the bacteria is
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Morales‚ Marinel M. Dr. Annie Cu Gallardo BSE-Biological Sciences III-3 Microbiology (Lecture) Microbiology Written Report REPORT NO. 1 Prokaryotes: Bacteria Most of us have been conditioned to think of bacteria as invisible‚ potentially harmful little creatures. Actually‚ relatively few species of bacteria cause disease in humans‚ animals‚ plants‚ or any other organisms. In fact‚ all organisms made up of eukaryotic cells probably evolved from bacteria-like organisms‚ which were some
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bacteria. Those tiny living creatures are remarkably intricate. Witnessing the breathtaking phenomena created by marine microbes strengthened my determination to further pursue my study of marine microbiology. In my first year as an undergraduate student I participated in lab work on marine microbiology. I led one project on separation and identification of pigment-containing bacteria in the Xiamen Coastal Areas‚
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Study Guide Notes ¡V Test 1 CHAPTER 1 1. Linnaeus ¡V naming system Hooke ¡V cells in cork Van Leeuwenhoek ¡V animalcules (1st obs. of live microorganisms) Redi ¡V experiment to disprove spontaneous generation ¡V meat Needham ¡V experiment to prove spontaneous generation ¡V broth (vital force) Spallanzani ¡V heated broth did not develop microbial growth Virchow ¡V biogenesis (living can only arise from preexisting living) Pasteur ¡V air contained‚ but did not produce‚ microbes (broth‚ s-flasks);
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Vocabulary words II: 1. Closed system - a region that is isolated from its surroundings by a boundary that admits no transfer of matter or energy across it 2. Undefined media - basal or complex media 3. Z-streak - is a technique used to isolate a pure strain from a single species of microorganism‚ often bacteria 4. Selective media – a growth medium or culture medium is a liquid or gel designed to support the growth of microorganisms or cells‚ or small plant 5. Differential media -are
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References: 1. Floyd‚ Jeanetta and Kennedy‚ Emily. Laboratory Exercises for Biology 2117 Introductory Microbiology. Chattahoochee Technical College. 2011. 2. Nester‚ Eugene W.‚ et al. Microbiology A Human Perspective. Sixth Edition. Mc Graw-Hill Companies 2009. 3. http://www.hpa-standardmethods.org.uk/documents/bsopTP/pdf/bsoptp8.pdf
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EC Assignment 1) First‚ the urine sample container should be labeled accordingly. Urine samples and transport containers should be free of any particles or anything that may interfere with the sample. The sample should be in a secure container with a leak resistant lid; this will also prevent exposure to the person handling the sample while also protecting the sample from being contaminated. It is important to not reuse any specimen container to insure that the sample is in a sterile environment
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Chapter 5 – Short answer a) Phosphorylation - the addition of phosphate to a chemical compound b) What are the 3 mechanisms of phosphorylation used by organisms? • Substrate level phosphorylation – ATP is generated when a high-energy phosphate is directly transferred from a phosphorylated compound (substrate) to ADP • Oxidative phosphorylation – electrons are transferred from a group of organic compounds to a group of electron carriers (NAD+ and FAD); occurs in inner mitochondrial
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Pathology: The study of disease Etiology: The study of the cause of a disease Pathogenesis: The development of disease Infection: Colonization of the body by pathogens Virulence - the ability to infect a host Pathogenicity - the ability to cause disease in a host Outbreak – (localized epidemic) – more cases of a particular disease than expected in a given area or among a specialized group of people over a particular period of time. Epidemic – large numbers of people over a wide geographic
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