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Antibiotic Resistance
Beginning of essay
For about 50 years, antibiotics have been the answer to many bacterial
infections. Antibiotics are chemical substances that are secreted by living
things. Doctors prescribed these medicines to cure many diseases. During
World War II, it treated one of the biggest killers during wartime -
infected w ....
Middle of essay
.... to be a fungus growth. He
then discovered that inside this mold was a substance that killed bacteria.
It was the antibiotic, penicillin.
Penicillin became the most powerful germ-killer known at that time.
Antibiotics kill disease-causing bacteria by interfering with their
processes. Penicillin kills bacteria by attaching to their cell walls. Then
it destroys part of the wall. The cell wall breaks apart and bacteria dies.
After four years, when drug companies started to mass produce penicilli.... |
| Number of words: 646 |
Approximate pages: 3 |
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