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Antibiotic resistance. Bell ringer: give an example of artificial selection. What is the difference between artificial and natural selection?. Antibiotics are any chemical that inhibits (prevents) the growth of bacteria or other microbes.

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Antibiotic resistance


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    1. Antibiotic resistance Bell ringer: give an example of artificial selection. What is the difference between artificial and natural selection?

    2. Antibiotics are any chemical that inhibits (prevents) the growth of bacteria or other microbes. • In 1928 Alexander Fleming accidentally discovered pennicilin, the first antibiotic. • By the 1940’s antibiotics were mass produced. This saved many soldiers of WWII from death. • Since the first antibiotic was made, many others have been mass produced. What Are Antibiotics?

    3. Amoxicillin • Ampicillin • Doxycycline • Tetracycline • Erythromycin Common Antibiotics

    4. Antibiotics only work against LIVING organisms • Viruses are not considered living. Why? Will antibiotics work on viruses? Antibiotics

    5. Overtime bacteria can develop resistance to antibiotics. This means that these drugs will no longer harm them. • http://www.brainpop.com/health/diseasesinjuriesandconditions/antibioticresistance/ Antibiotic Resistance

    6. Sometimes the news will talk about “superbugs”. They are talking about bacteria that is resistant to LOTS of antibiotics. • MRSA is one kind of “superbug”. It is a staph infection that is resistant to most kind of antibiotics. Superbugs?

    7. MRSA

    8. Some reasons why antibiotic resistance happens is: • Overuse of antibiotics thereby killing off the “weak” bacteria and allowing the strong to keep breeding • Overuse of antibiotics in livestock • Not taking the full course of antibiotics • Taking antibiotics when they are not needed (for viruses) Causes

    9. This week you will be working on an essay project. Your goal is to write a paper that will inform someone about antibiotic resistance. Essay Project

    10. http://blogs.scientificamerican.com/observations/2012/12/19/common-antibiotic-not-helpful-for-cough-and-respiratory-infection/http://blogs.scientificamerican.com/observations/2012/12/19/common-antibiotic-not-helpful-for-cough-and-respiratory-infection/