Sampling of Gram-Positive Bacteria and Antibiotic Resistance Resting We thought it would be interesting to find out the different bacteria that grow on things we use on a daily basis and the level of antibiotic resistance that those bacteria have. We chose to swab the toilet seat in the MATC women’s bathroom and the ATM machine in the commons area on campus. We were certain the ATM would be dirtier than the toilet seat since the bathrooms get cleaned every day. The first step we took in testing
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Escherichia coli and Staphylococcus albus Some bacteria’s require a certain amount of light in order to function properly and there fore survive. Escherichia coli is found in the gut and intestines of mammals. Staphylococcus albus is generally a skin dwelling bacteria Aim: To test whether the amount and type of light that the bacteria’s E.coli and S.albus are subject to causes changes in their growth rates and habits. To test whether the growth rates and habits of the bacteria’s E. coli
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The methylene blue staining procedure is used to measure yeast viability based on the assumption that the methylene blue will enter the cells and be broken down by living yeast cells that produce the enzymes which breaks down methylene blue‚ leaving the cells colourless. The non- viable cells do not produce this enzyme (or enzymes) and as such the methylene blue that enters the cells are undegraded causing the cells to remain coloured (the oxidized form concentrates intracellularly). The coloured
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Ever get "subject/verb agreement" as an error on a paper? This handout will help you understand this common grammar problem. Making Subjects and Verbs Agree 1. When the subject of a sentence is composed of two or more nouns or pronouns connected by and‚ use a plural verb. She and her friends are at the fair. 2. When two or more singular nouns or pronouns are connected by or or nor‚ use a singular verb. The book or the pen is in the drawer. 3. When a compound subject contains both a singular
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culture‚ I immediately made a streak plate and started the Gram Stain protocol1. In the first two slides‚ I made and stained‚ my results were ambiguous. Without putting the slide into the microscope‚ I noticed one was pink and the other purple. To resolve it‚ I discarded my slides and started again and was extremely careful in proceeding the Gram Stain. I concluded that my unknown A was gram-negative bacilli. Using the dichotomous key for gram-negative bacilli I started the protocol for the lactose
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Streptococcus pyogenes Research paper MCB 2010C March 17‚ 2014 Nature of Causative Organism Streptococcus pyogenes‚ a group A streptococci‚ is a gram-positive‚ non-spore forming bacteria that can be seen as oval cocci chain forming shapes less than 2 micrometers in diameter under the microscope. It is a facultative anaerobe that can use fermentation for its metabolism. It needs a blood containing medium to grow and exhibits beta-hemolysis. It is a non-motile‚ nonspore forming bacterium. S. pyogenes
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Biodegradation of Hydrocarbons from Crude Oil by Pseudomonas putida A Project done under the guidance of Dr. K. Bharathi Department of Biotechnology. Submitted to the faculty Of Department of Biotechnology National Institute Of Technology‚ Warangal (A.P) Submitted By Febin P. Nalpady‚ Anzal Rahman‚ Shruti Sharma‚ Sindhuja Nandiraju‚ Giraboina
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1. What are the advantages and disadvantages of the different types of light and electron microscopes discussed in Chapter 3 that are used to study microorganisms? Focus your response in terms of the following parameters The disadvantage of using a light microscope is its inability to magnify a specimen as great as an electron microscope. An electron microscope can magnify up to 500‚000 times‚ whereas‚ a light microscope can only magnify an object up to 2000 times. The resolving power or resolving
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The Comparative Analysis of Simple Staining and Gram Staining Techniques by observing E. Coli and S. Pyogenes under 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
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agency NASA selected Gram Power’s technology among the top-10 cleantech innovations from around the world. Two fresh graduates from the University of California Yashraj Khaitan and Jacob Dickinson founded GRAM POWER which enables villagers to generate and store renewable energy from biomass‚ solar or wind on-site. While on a university project they came to know about the scarcity of electricity in villages‚ this goaded them to devise energy solutions for villagers. This year‚ Gram Power set up India’s
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