Bacteria: a benefit or a hazard? Bacteria is something we are all reminded of on a daily basis by merely switching on our televisions where we are bombarded with advertisements for both ‘good’ and ‘bad’ bacteria. Contrary to the view of the past when only so-called ‘bad’ bacteria was ever talked about‚ so what has changed? This essay will address the facts about bacteria including methods used in identifying bacteria as well as looking at specific examples of how they can be both helpful and harmful
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The role of bacteria in the soil Bacteria in the soil play key role in recycling matter in to useful nutrients which can be used by growing plants. This process of recycling matter in the soil by living organisms is called biogeochemical cycle. Bacteria are improving plants growth in other ways too‚ for example bacteria‚ such as Rhizobium‚ are in symbiotic relationship with the root system of some terrestrial plants. The most important elements‚ which allow terrestrial plants grow well‚ are
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Flesh-eating bacteria strikes in Florida On June 16th‚ 26 year-old Cason Yeager went for a swim in Florida in Hernando County and later died from contracting the flesh-eating bacteria‚ Vibrio Vulnificus. This bacteria can be found worldwide‚ most particularly in the warm coastal regions but there have been reports in other parts of the world in non-warm waters. According to the CDC in 2013‚ the case count of the vibrio vulnificus was 104 in thirteen states with six hospitalizations. No deaths‚ but
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Viruses can infect all types of cells including plant‚ animal‚ protozoa‚ fungi‚ and bacteria. Virus composition is unique and does not resemble a living cell because they only contain the necessary parts to enter and leave an infected cell. A virus is a minute parasite (10 to 100 times smaller than bacteria) that is unable to reproduce by itself; however‚ once it infects a vulnerable cell a virus can make the cell’s inner workings produce viruses on its behalf. Viruses typically have either RNA
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Kenny Vo Microbiology Dr. Arora 10 December 2012 Flesh Eating Bacteria Necrotizing Fasciitis is a rare bacterial disease that causes the rapid decay of the fascia. The human body is said to be compose of approximately a hundred trillion cells‚ connective tissue contributes to about forty five percent of the total cell weight. It was nicknamed the flesh eating bacteria because the victims injuries would have a rotting appearance. What are the pathogens that cause this disease? Necrotizing
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Modern Day Example of Natural Selection – Antibiotic Resistant Bacteria Read pg 112 -113 & 275 – 277 of you text book. Use this information plus information from secondary sources to answer the following questions so you will have a case study on antibiotic resistant bacteria. In this case study you will need to show how an environmental change can lead to a change in a species. Note: this will also cover content in the Search for Better Health topic. 1. Outline the purpose of anti-biotics
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Bacteria Morphology April 2‚ 2015 Abstract – The Purpose of this exercise is to gain experience in bacterial morphologies in prepared wet-mounted slides and interpreting the findings of bacteria through direct and indirect staining technique. Hypothesis – The experiment will allow for further insight into stained organisms‚ allowing extended contrast‚ differentiating shape and structure through utilization of microscope. Procedure – Instructions followed as per procedure‚ specimens
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· Taxonomy ○ Science of classification ○ Provides an orderly basis for the naming of organisms and for placing organisms into a category (taxon) ○ Makes use of and makes sense of the fundamental concepts of unity and diversity among living things ○ Basic principle is that members of higher-levels groups share fewer characteristics than those in lower-level groups * Escherichia coli - rod shape and have a Gram-negative cell wall * Even members of the same species display variations
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understand what bacteria and viruses are and how they affect us. In your own words‚ describe what bacteria are: Bacteria are single celled organism that creates sickness in organisms Bacteria Basics: http://biology.clc.uc.edu/courses/bio106/bacteria.htm http://en.wikipedia.org/wiki/Bacterial_cell_structure Bacteria have three possible shapes. Name each shape and draw a picture of each. How do bacteria get their energy? Bacteria get their energy by the http://www.ucmp.berkeley.edu/bacteria/bacterialh
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Unknown Lab Report Dr. Nathan Cahoone Microbiology 204 December 9‚ 2010 Introduction There are many reasons for knowing the identity of microorganisms. The study and test was done by applying all of the methods that have been learned so far in the microbiology laboratory class for the identification of an unknown bacterium which I was using unknown #25. Results Unknown #25 had the following morphology on a streak plate: medium sized butyrous cream colored colony. Gram-staining was utilized
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