even knowing that the process involves fermentation of the starting material (Pai‚ 2003). Fermentation is the process of utilizing nutrients anaerobically (D ’Souza & Killedar‚ 2006). Yogurt is a product of fermentation brought by adding Streptococcus thermophilus and Lactobacillus bulgaricus to ferment the milk and turn it into a thickened acidic food ( Lee & Lucey‚ 2010). These bacteria partially digest milk and produce lactic acids which makes it edible even to people who cannot tolerate
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Dannon Company has a trademark of Activia in its products. One of its products is the Light and Fit yoghurt. The light and fit comes in variety of flavors‚ raspberry‚ banana and strawberry just to name a few‚ with no artificial color and a natural touch. This product is advertised to be multi- functional with its great works with women’s gastrointestinal hygiene and beauty. The product is said to bring about what people want from any food supply. The company is mostly targeting young ladies‚ middle
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the oldest fossils known‚ nearly 3.5 billion years old‚ are fossils of bacteria-like organisms. Bacteria grow in a wide variety of habitats and conditions. When most people think of bacteria‚ they think of disease-causing organisms‚ like the Streptococcus bacteria growing in culture in this picture‚ which were isolated from a man with strep throat. While pathogenic bacteria are notorious for such diseases as cholera‚ tuberculosis‚ and gonorrhea‚ such disease-causing species are a comparatively tiny
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cell infections. Instead‚ this experiment uses vectors that can be conjugated between bacterial cells. This mobilization would be beneficial in order to track the transfer of genes between bacterial cells (in the case of this experiment‚ between Streptococcus pneumoniae cells and other bacteria). To construct a mobilized plasmid‚ the procedure starts with plasmid pLS1PMGFP (which carries the gfp under control of the pM promoter‚ which then controls MalM). Then‚ this plasmid replicates. The GFP source
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Scarlet Fever A once common disease that had a possibility of killing children is not very known anymore. If asked what scarlet fever was‚ most would not know the answer. Scarlet fever is a bacterial illness that is developed in some people with strep throat. This illness is now very rare. There are less than 20‚000 cases in the United States. This illness used to be life changing‚ especially for Helen Keller (Mayo Clinic). Helen Keller was an American educator and journalist. She was also deaf
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anti-bacterial medication and for the prevention of burns. The antibacterial effects of sulfonamides were first observed in 1932 by German bacteriologist and pathologist Gerhard Domagk. Domagk studied the effects of red dye Prontosil (Figure 1) on Streptococcus infection in mice by using competitive inhibition to stop the production of the bacteria of which‚ the
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dropped onto a slide of unknown 32 and resulted in bubbles. This result shows that unknown 32 is catalase positive since it broke down hydrogen peroxide and oxidase dismutase which resulted in water and oxygen. This eliminated Enterococcus spp. and Streptococcus spp. After the initial tests were conducted‚ five more tests were done to narrow down the genera and species. From the provided list of possible unknown genera‚ the only genus left was Staphylococcus. However Staphylococcus has many species‚ so
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Different kinds of liquids stain your teeth differently. For example tea stains your teeth more than milk does. I’m doing this experiment because I think it is very interesting that there are so many different kinds of liquid that can stain your teeth. What things stain your teeth? To start with you should never start smoking or use tobacco. The nicotine and tar in the cigarettes stain your teeth very drastically. You can’t even imagine how fast smoking stains your teeth. Other things that stain
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associated with this once feared disease have significantly decreased due to the introduction and widespread use of antibiotics Cause Scarlet fever is caused by infection with exotoxin-producing group A beta-hemolytic streptococci (GABHS)‚ notably Streptococcus pyogenes. The release of a particular toxin is responsible for the characteristic scarlet-colored rash seen with scarlet fever (giving the disease its name). In the majority
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Bacteria Prac Aim: To observe the growth of bacteria on Agar plates Hypothesis: That the bacteria will grow in colonies throughout the agar plates except for the one with the anti-biotic loop because some will fight off the bacteria. Method: (Method taken from prac sheet) Plate 1: Use the swab to cover your entire agar plate in your bacteria. You only need one swab of bacteria but be careful to cover the entire surface of your agar in a layer of bacteria. Carefully place an Antibiotic Mastring
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