Controlling Disease

Controlling Disease - ControllingDisease We are an...

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    Controlling Disease We are an attractive dish for microbes!
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Louis Pasteur People thought that food went off because it was in contact with air. They thought: Air + food microorganisms grow Pasteur said that microbes come from microbes He did som experiments to prove this -
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Louis Pasteur
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Pasteur’s Experiment He poured some grape juice in 2 flasks He then produced a ‘swan neck’ in the glass He heated the flasks to boiling One flask was left The other had its neck broken off Which went off? Why?
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Pathogens   = microorganisms which cause disease Drugs are used to help people with diseases 1. Painkillers – relieve the symptoms without curing the disease 2. Antibiotics – chemicals which kill bacteria, but not viruses. Viruses develop in cells and are hard to kill
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Bacteria Drug Resistance Bacteria in nature are varied. A few have the resistance to antibiotic When the antibiotic is used
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Controlling Disease - ControllingDisease We are an...

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