INTRODUCTION The Gram Negative lab had two parts; the aim of the first part is to determine the concentration of gram negative bacteria in a water sample collected from a creek near Providence Road‚ Strickling. Gram negative bacteria have a cytoplasmic membrane‚ a thin peptidoglycan layer‚ and an additional outer membrane composed of phospholipids and lipopolysaccharides. Because gram negative bacteria have a relatively thin cell wall when compared to gram positive organisms‚ they are consequently
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Modeling bacterial growth is important in maximizing the efficiencies of biological processes. Although there are many different methods of modeling bacterial growth‚ this experiment focuses on the Monod equations. However‚ in order to use the Monod equations‚ the maximum growth rate and Monod constant must be found. Here we show how the maximum growth rate and Monod constants can be obtained for Escherichia coli using M9 media in a bioreactor at 37 °C and 500 RPM. The maximum growth rate is also
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Louis Pasteur was a pioneer of immunology. He was born in 1822. He grew up in the city of Dole‚ France. When he was young most of his teachers felt that he was slow and that advancing his education was not what the future held for him. His father was a leather tanner. His teachers felt that he should carry on that trade. He however had one teacher that believed in him. He then advanced his education and studies on to Paris‚ France. Louis Pasteur was an extraordinary man. While advancing his
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Group Members Name ID # Teacher Period Captain: Indeya Sanders 1622229 Carpenter 3 Science Fair Project Idea Worksheet 1. What topic are you focusing on for your science fair project? The effect of various types of hand cleaners on eliminating germs. 2. What resources have you used to better understand your topic? Please list the resources in appropriate format and include a 1-2 sentence description of what you learned from each source. Resource: http://www.projects.juliantrubin
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WNV IgM in serum remains detectable for at least 1 to 2 months after infection and sometimes longer therefore serum IgM results must be interpreted in reference to the patient’s clinical presentation and travel history‚ as well as regional WNV activity (Maldin B‚ et al. 2003) A negative IgM result on an acute-phase specimen strongly suggests absence of WNV infection. A positive IgM result on an acute-phase specimen‚ accompanied by clinical symptoms consistent with WNV infection‚ strongly suggests
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1. The four levels of security in a virology research facility are: a. Biosafety level 1: Minimal biohazard. Study of low risk infectious agents: pneumococcus‚ salmonella. b. Biosafety level 2: Moderate biohazard. Infectious agents: Hepatitis‚ Lyme disease‚ influenza. c. Biosafety level 3: High biohazard. Multiple vaccinations required. Infectious agents: anthrax‚ typhus‚ H.I.V. d. Biosafety level 4: Extreme biohazard. Maximum security. Infectious agents: Ebola‚ Lassa‚ Hanta viruses. Highly
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Bio Lab Report Title: Gram-Negative and Gram-Positive contamination in yogurt. Introduction: There is bacteria that is beneficial and harmful in the human. Yogurt was choosed to be the best example that contains this bacteria. What happens to be the difference between these two types of bacteria‚ and how are they harmful? The bacteria is considered “Gram-Negative‚” and the substance is considered contaminated when there is more negative bacteria than positive bacteria. This will prove or disapprove
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Key words: Clostridium perfringens‚ diarrhea‚ dog‚ hemorrhagic gastroenteritis. Introduction Enteric clostridial infection in dogs are life-threatening condition usually caused by Clostridium perfringens and Clostridium difficile. The pathogenesis of enteric clostridial infection requires two factors; the presence of these microorganisms in the intestine and a change in the enteric microenvironment. C. perfringens is a Gram-positive‚ spore-forming‚ obligately anaerobic‚ non-motile bacillus and
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Pseudomonas syringae Finding a bacterium that I felt even a shred of confidence to discuss in a paper was no easy task‚ but while doing research I discovered this (probably more well-known than I realize) bacteria that had some properties that were incredibly interesting to me. The basic properties of Pseudomonas syringae is that it ’s gram-negative‚ has a rod-shaped morphology‚ and is an aerobic respirator. It ’s categorized as gram-negative due to crystal violet being washed away‚ and stained
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* Artavia Combs * * November 22‚ 2011 * * Jennifer Schmitz * * Salmonella * * * What is the infectious agent (pathogen) that causes this infectious disease? For example‚ the name of the bacteria‚ virus‚ or parasite. Samonella is a gram-negative‚ rod-shaped bacilli that can cause diarrheal illnesses in humans. The infectious agent that causes Salmonella is Salmonella Enterditis . Salmonella Enterditis is the infectious agent that breaks out to be salmonella
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