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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time) 3. Clean your surface with disinfectant to sterilise your lab work surface‚ this will prevent contamination but leave the disinfectant to stand up to 4 minutes so it can penetrate the harder capsules of some bacteria. 4. Using a sterile pipette with draw some of your bacteria culture from the bottle making sure you flame the neck of the bottle to keep the procedure sterile. Place what you have withdrawn on to an agar plate. 5. then get your glass sterile spreader out of the packet making
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Fermented food‚ enjoyed across the globe‚ conveys health benefits through lactic acid fermentation. The fermentation process can transform the flavor of food from the plain and mundane to a mouth-puckering sourness enlivened by colonies of beneficial bacteria and enhanced micronutrients. While fermented food like yogurt‚ sauerkraut and kefir are well-known many other lesser-known foods also benefit from the lactic acid fermentation process. Indeed‚ virtually every food with a complex or simple sugar content
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while others don’t. 5. B. Alpha hemolytic and small. (There is a greenish color of the red blood cells around the small colonies) 6. B. Perform a Gram stain. 7. D. Gram-positive cocci in chains. 8. C. Catalase test. 9. B. Streptococcus 10. B. Optochin (P disk) 11. this test is used to differentiate different types of alpha-hemolytic streptococci. 12. A. It is viridans streptococci 13. there was no inhibition of bacterial growth around the P disk. This is indicative
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Glowing Bacteria Lab Introduction- 1. Transformation involves the transfer of genetic information into a cell by directly taking up foreign DNA from its surroundings. This DNA is then incorporated into the host cell’s own DNA. This transformation usually occurs within plasmids‚ small circular DNA molecules separate from its chromosome. After the recipient cell is infected with the DNA‚ the cell will move on with replication‚ producing offspring with traits encoded by the plasmid. These plasmids
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Facebook ; the good the bad and the unknown Facebook is a social network service and website that was launched in February 2004 it is operated and privately owned by Facebook‚ Inc. As of this year‚ [updateFacebook has more than 500 million active users. It is a great online source for keeping up with your friends‚ finding friends with similar interests‚ staying in touch with loved ones all over the world‚ and sharing things in your life with the people you care about. But when is sharing and
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Bacteria and Viruses Breann Johnson COM/155 03/17/2013 University of Phoenix Bacteria and Viruses Almost 56‚000 people are hospitalized each year‚ and over 1‚300 die because of food borne bacteria and virus microbes. Bacteria and viruses are tiny microscopic pathogens that can cause infectious disease‚ or even result in death. “Infectious diseases remain a major cause of death‚ disability‚ social‚ and economic disorders for millions of people around the world. Poor health
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After reading “Naema-Whereabouts Unknown” I chose to select study question number four. It asks us if we felt the diary form is an effective way of documenting the psychological impact of historical events that we may experience. My answer to this is yes. I do believe it does. Let me expand. We can never truly have the full experience someone feels emotionally during an event. Even if you and I were right there next to the narrator we wouldn’t. We all experience and feel things differently. The
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Raudah P. Mangbisa Grade VIII-Nilo VIRUS A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms‚ from animals and plants to bacteria and archaea. Characteristics: Like living organisms‚ viruses contain nucleic acids and proteins. Inside living cells‚ viruses can reproduce‚ but not by the process of mitosis like most living cells. Viruses lack some characteristics of living organisms. Outside of living cells‚ viruses are
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The Role of Agarase in Agar-Degrading Bacteria Abstract Agar-Degrading (agarolytic) Bacteria is physiological class of bacteria capable of utilising agar as a sole carbon source. This ability is made available by the use of agarases - enzymes which break down agarose into oligosaccharides. This physiological class branches through genii‚ regardless of Gram Stain status or morphology. Through a review of scientific literature we can find identification methods‚ optimum conditions and the
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