Characterization of intracytoplasmic prokaryote infections ...
Bacteria Information Also known as Monerans. Definition / Characteristics Unicellular (one-celled)...
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Transcript of Bacteria Information Also known as Monerans. Definition / Characteristics Unicellular (one-celled)...
![Page 1: Bacteria Information Also known as Monerans. Definition / Characteristics Unicellular (one-celled) Prokaryote (no nucleus) Some are good and some are.](https://reader033.fdocuments.net/reader033/viewer/2022042822/56649f1d5503460f94c34a5a/html5/thumbnails/1.jpg)
Bacteria Information
Also known as Monerans
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Definition / Characteristics• Unicellular (one-celled) • Prokaryote (no nucleus)• Some are good and some are bad • Some are autotrophs (make their own food)
and some are heterotrophs (eat food)
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2 Kingdoms of bacteria
All bacteria fit in one of these kingdoms:
Archaebacteria
Eubacteria
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Helpful• Break down organisms• They change nitrogen to a form that plants
can use• They help make food like yogurt, cheese, and
sour cream• Make medicines
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Helpful• Makes cleaners and glue• Help clean up oil spills (process called
bioremediation)• Help break down food in our digestive system• Help to make vitamins
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Harmful
• Spoils food (like milk)• Give us diseases like strep throat and lymes
disease• Produce toxins (poisons)
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What can we do to reduce the amount of bacteria in our lives?
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sterilization
Using high temperatures to kill themEx. wash your hands with hot water
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Freezing and refrigeration
Bacteria cannot survive in very low temperatures for a long period of time
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pasteurization
Heated and then cooled and kept at cool temperatures
Examples : milk and fruit juice are pasteurized
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dehydration
Removal of water (most bacteria need some moisture to survive)
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Vacuum packed
Air is taken out so bacteria can’t grow
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disinfectants
Special chemicals that kill bacteria
Examples:Bleach LysolSoap
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antisepticA disinfectant that can be used on people to kill
bacteria so your wound does not get infectedEx. Neosporin
Hydrogen peroxideRubbing alcohol
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antibiotic
A doctor prescribes one – type of medicine that kills the bacteria making you sick
Ex. penicillin
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vaccines
Given to prevent getting a diseaseWeak or dead bacteria put into your body so
your body can get immune to it