as medical and a bacteria killer. A study at the University of Ottawa in 2008 has shown that honey was effective in killing bacteria (Colihan‚ 2008). Honey is effective because of the unique compounds found in it (Moore‚
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to stimuli‚ and plasma membranes. One significant difference is that prokaryotes are without a cell nucleus and eukaryotes are cells with a membrane bound nucleus Prokaryotic falls in two taxa characteristic of organism: domain archaea and domain bacteria; however prokaryotic itself is not a taxon. Prokaryotes does not have a membrane surrounding its genetic material (DNA) they make proteins simultaneously to read their genetic code. Eukaryotes have a membrane called a nuclear envelope surrounding
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microbes and humans. The vast majority of the bacteria in the body are rendered harmless by the protective effects of the immune system‚ and a few are beneficial. In fact‚ the relationship between microbes and humans is delicate and complex. Benefits of Microbes Microbes are useful for us in many ways in various industries. Production of Foods Microbes are a key component in both home and industrial food preparation. + Lactic acid bacteria are used to make yogurt‚ cheese‚ sour cream
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overused by doctors‚ both in outpatient and inpatient settings‚ and self-medication is common‚ especially in developing countries.” (Vento‚ 2010) Studies have shown that bacteria and viruses are becoming more and more drug and antibiotic resistant. The widespread use of antibiotics has consequently caused a widespread evolution of bacteria and viruses. As a result‚ new antibiotics are required to fight the now stronger and more dangerous versions of the same illnesses that‚ at one point‚ could have been
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he noticed that around the bacteria he was studying there was a mold around the bacteria‚ and around the bacteria there was a ring. That ring was bacteria free‚ and the mold was a rare spore called Penicillium notatum. Does that name ring a bell? To begin‚ The discovery of penicillin was sheer luck! Alexander Florey actually re-discovered at a St. Mary’s hospital in London‚ 1928. When testing it he noticed that penicillin was killing a number of disease-causing bacteria. On Page 123 it states‚ “He
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REVIEW OF RELATED LITERATURE This investigatory project aims to make use of rambutan peeling extracts that is high in phenolic compounds such as tannin and saponin that exhibits antioxidant activity and antibacterial activity against pathogenic bacteria. Although the seeds contain such compounds the peeling exhibit greater amount of the said compounds. Rambutan is a very popular fruit cultivated in the Philippines and it is eaten in large amounts. The rambutans rind is quickly discarded and thrown
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to day is the term used to refer to antibacterial which are only indicated for the treatment of bacterial infections‚ there is more than 15 classes of drugs that differ in chemical structure and activity against bacteria. A certain antibiotics may be effective against one or various bacteria. These drugs should not be used and are not effective against viruses‚ which are the main agents of community infections (colds‚ flu). It is however necessary antibiotics in the case of bacterial infections
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several test to determine what our unknown bacteria was. To determine this we recorded the results of how the bacteria reacted to different media. Depending on the results of each test we could narrow down the different bacteria to determine what our unknown is. This experiment will also determine if our bacteria is a fermenter of sugars and if it is catalase positive. If the bacteria is a fermenter they will use the sugars to make ATP. If the bacteria is a fermenter of lactose/sucrose the EMB
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introduced to another living organism‚ like a human. Figuring out the type of bacteria could help with further experiments. The idea of the unknown bacteria lab is to show
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contaminated by bacteria. Bacteria can be difficult to sample and analyze‚ for many reasons. Natural bacteria levels in streams can vary significantly; bacteria conditions are strongly correlated with rainfall‚ and thus comparing wet and dry weather bacteria data can be a problem; many analytical methods have a low level of precision yet can be quite complex; and absolutely sterile conditions are required to collect and handle samples. The primary equipment decision to make when sampling for bacteria is what
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