Ch 27 - Bacteria and Archaea (1 slide per page)-1

The bad cause tooth decay 46 why do biologists study

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Unformatted text preview: ll organisms 5 nonillion = 5,000,000,000,000,000,000,000,000,000,000= 5x1030 (5 billion = 5,000,000,000) 45 Why do Biologists Study Bacteria? • The Bad – Cause tooth decay. 46 Why do Biologists Study Bacteria? • The Bad – Bad breath 47 Why do Biologists Study Bacteria? • The Bad – Bacteria cause diseases Food poisoning E. coli, Salmonella, botulism Ulcers 48 Why do Biologists Study Bacteria? • The Bad – Bacteria cause diseases Tetanus Lyme Disease Syphilis strep throat 50 Cholera Vibrio cholerae Epidemic Disease: • Waterborne • Massive water loss by diarrhea • Vaccine gives ~90% immunity • Preventative care most effective Haiti: 2010-2011 53 MRSA (pronounced mersa) • Methicillin resistant Staphylococcus aureus • Increasingly common in hospitals 54 Pseudomonas aeroginosa bacterium 20 year old Brazilian model had unusual UTI that spread to blood. Loses stomach, hands and feet to infection & dies Mariana Bridi da Costa 55 Why do Biologists Study Bacteria? Antibiotics: 1928: Alexander Fleming discovered Penicillin: Antibacter...
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This note was uploaded on 02/12/2014 for the course BIOLOGY 2011 taught by Professor Woo during the Fall '10 term at University of Central Florida.

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