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Antibiotic Resistance In Bacteria - Term Papers

Antibiotic Resistance In Bacteria

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 wounds. It was the beginning of the antibiotic era. But just when antibiotics were being mass produced, bacteria started to evolve and became resistant to these medicines.
Antibiotic resistance can be the result of different things. One cause of resistance could be drug abuse. There are people who believe that when they get sick, antibiotics are the answer. The more times you use a drug, ...

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not, then this will just give the bacteria some time to find a way to avoid the effects of the drug.
One antibiotic that will always have a long lasting effect in history is penicillin. This was the first antibiotic ever to be discovered. Alexander Fleming was the person responsible for the discovery in 1928. In his laboratory, he noticed that in some of his bacteria colonies, that he was growing, were some clear spots. He realized that something had killed the bacteria in these clear spots, which ended up 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 ...

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Antibiotic Resistance In Bacteria. (2005, March 29). Retrieved November 23, 2024, from http://www.essayworld.com/essays/Antibiotic-Resistance-In-Bacteria/24513

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PAPER DETAILS

Added: 3/29/2005 09:46:10 PM
Category: Science & Nature
Type: Premium Paper
Words: 704
Pages: 3

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