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.
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. • 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?
Amoxicillin • Ampicillin • Doxycycline • Tetracycline • Erythromycin Common Antibiotics
Antibiotics only work against LIVING organisms • Viruses are not considered living. Why? Will antibiotics work on viruses? Antibiotics
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
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?
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
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