Staphylococcus epidermis (gram positive) bacteria for 24 hours (in an incubator)‚ garlic will have the strongest antimicrobial effect. This is because of allicin (an active principle of garlic homogenates)‚ which has a chemical reaction with thiol groups of enzymes in the bacteria. Ginger will have the least antimicrobial effect. This is because there are not as many chemical reactions with enzymes in the bacteria. Risks: The risks of using Staphylococcus epidermis bacteria to test in microbiology are few
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Dockendorff Bacteria: Communication Equals Modification Bacteria are organisms that are extremely copious upon this planet. They are tiny and most are single celled organisms that can survive in just about any environment. Anywhere from plants to the human body is where these organisms can be discovered. Some of the strangest places that support bacterial life include places that have extremes of temperature. These bacteria are also very strange‚ much different from bacteria found living in
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LAB 5: Coliform bacteria in surface waters I. Introduction Many organisms‚ including humans‚ have symbiotic bacteria in their guts that aid digestion. Symbiosis is an intimate relationship between different organisms in which both the host organism‚ e.g. the human‚ and the symbiote‚ e.g. bacteria‚ benefit from each other. In this case‚ the bacterium gets a favorable environment and food source in the intestines of a human. In return‚ these bacteria improve the digestibility of food through
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of a Gram positive coccus genus of bacteria. Several biochemical tests will be performed to aid in the identification of this unknown bacterium. Biochemical tests are a series of tests used to identify certain bacterium The various tests that are used in this lab are the catalase test‚ oxidase test‚ blood hemolytic test‚ MSA‚ blood agar‚ and PEA/ab sens test. A known Gram positive coccus bacteria will be used alongside an isolated Gram positive unknown bacteria for comparison to aid in the ability
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MICROBIOLOGY 3444-007 Gram Negative Unknown Unknown Bacteria #14 LeNaiya Kydd 4/2/2014 Abstract In order to be able to identify the unknown organism that was given to us‚ we had to conduct a number of different tests. These biological tests are used because they help us be able to identify the properties of the unknown we have and be able to compare our observed results with actual results of all the potential organisms. When all of the data of the test are put together it is easy to
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Antibiotic Resistant Bacteria in Hospitals. Introduction Antibiotic resistant bacteria are bacteria who can survive after exposure to one or more antibiotics. Some bacteria present today can even be resistant to multiple antibiotics and these are sometimes referred to by the name Multidrug resistant (MDR). Today many clinically important bacteria are MDR’s and this is a direct result of past decades of antimicrobial use and misuse. If an infection results from this sort of resistant bacteria a stronger antibiotic
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Bacterial Transformation Bacteria and plasmid to produce Red Fluorescent Proteins Alejandra Lopez
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ASSAY OF OIL-DEGRADING POTENTIAL OF FUNGI ISOLATES ON DIESEL‚ KEROSENE AND PETROL USING ENRICHMENT METHOD. BOBOYE B.‚ *OLUKUNLE O. F.‚ ADETUYI F. C. AND ADEBIYI G. A ABSTRACT A study was carried out to assay for oil-degrading potential of fungi isolates on diesel‚ kerosene and petrol. Water samples were collected aseptically and analyzed microbiologically using standard techniques. The fungi isolated from the water samples were: Trichoderma viridae‚ Aspergillus niger‚ Aspergillus fumigatus
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tea on the growth of E. coli bacteria cultures Kierstin Barker‚ Melissa Bischak‚ Jackie Tyszkiewicz‚ Errin Enany September 25‚ 2012 Abstract: This study was carried out in order to investigate whether black tea has antimicrobial properties as stated in Steven Johnson’s The Ghost Map. If tea does have antimicrobial properties‚ then it could aid in warding off waterborne diseases. We believed that if black tea is steeped in boiled water‚ then the amount of bacteria exposed to this solution would
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"The Equal Pay Act of 1963 was passed to prohibit wage discrimination on the basis of sex and sought to ensure that women earn equal pay for equal work. Its purpose was clear: Eliminate the gender wage gap‚ which hurts women and families. But 50 years later‚ pay discrimination is alive and well. Gag rules that require employees to keep their pay secret perpetuate this inequity." (www.cnn.com) I as a women have personally experienced this in the workforce; where male workers are paid a higher salary
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