Lecture 20 human health and evo III

Lecture 20 human health and evo III - Primary Election...

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http://www.ithaca.edu/intercom/article.php/200712051 02030439 Primary Election Voter Registratio
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FINAL EXAM Wednesday December 19 7:30 - 10:00 am Parks Auditorium
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Bacteria are commonly used in dairy products: yogurt, sour cream, buttermilk and cheese are produced by bacterial fermentation of lactose, the sugar in milk. Bacteria are the working lot to produce sauerkraut and other vegetable pickles. Fermenting bacteria are used in the production of sausage. Food
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Microorganisms are responsible for getting rid the waste generated by industry and households. They can detoxify acid mine drainage and other toxins that we dump into the soil and water. Biodegradation
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Bacteria are used to breakdown organic materials at waster water treatment facilities. The methane produced during treatment can even be used to generate heat or electricity for the operation. The city of Ithaca captures the methane produced by bacteria and burns it to generate heat its treatment facility. Waste Water Treatment
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Biosynthesis Most of our vitamin B12, riboflavin, and vitamin C are produced by bacterial fermentation. Approximately 70% of antibiotics currently in use are also the product of microbial fermentation.
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30% of bacteria are harmful or pathogenic Harmful bacteria can cause a lot of diseases such as : tetanus (an infection of the nervous system), septicemia (blood poisoning), pneumonia(a lung infection), tonsillitis (infected tonsils), impetigo (skin rash), earaches and strep throat, and many others.
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Necrotizing fasciitis is a rare bacterial infection that can destroy skin and the soft tissues beneath it, including fat and the tissue covering the muscles (fascia). Because these tissues often die rapidly, a person with necrotizing fasciitis is sometimes said to be infected with "flesh-eating" bacteria, especially Streptococcus pyogenes .
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Necrotizing fasciitis is very rare but serious. Around 30% of those who develop necrotizing fasciitis die from the disease. Those at increased risk of developing the infection are people who: Have a weakened immune system or lack the proper antibodies to fight off the infection. Have chronic health problems such as diabetes, cancer,
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Lecture 20 human health and evo III - Primary Election...

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