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Chapter 10
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BACTERIA Microbiologist – one who studies microscopic organisms(bacteria). Bacteria think of germs that cause diseases. Decomposer Organism – living things that eat things that have died. Bacteria have 2 names – name for what they are and name for shape Bacteria needs – Moisture, Temperature, PH, Nutrition If bacteria don’t have the 4 things that they need, bacteria makes endospore and waits for a better environment.
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ARCHAEBACTERIA Thermoacidophiles Methanogens Halophiles
-Lives in soil(dirt) with lots of acid or in hot springs -like acid and heat Kill by : cold or bleach -Like intestines ad stool(poop) -Help you do stool right. -Make methane gas(bad smell) Kill by : take away stool -Live in places with lots of salt -Like the dead sea (Don’t kill people but do kill plants and fishes.) Kill by : take away salt
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EUBACTERIA Coccus Bacillus Spirillum -Rod-shaped bacteria
-circle shaped bacteria -very strong -can kill people -very small Kill by : washing hands Using bleach to clean Taking antibiotics(medicine) -Rod-shaped bacteria -Bigger than coccus -Make you sick(not dead) Kill by : Same as coccus -cork-screw or noodle shaped bacteria -bigger than coccus -make you sick Kill by : same as coccus
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2 kinds of Every Eubacteria
Gram’s stain (I put a chemical on my bacteria to know how many peptidoglycas are there) Gram positive -Lots of peptidoglycans. -Strong and deadly -Turns purple Gram negative -Fewer peptidoglycans. -Less strong -Turn pink
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Parts of a Bacteria cell
Bacteria do asexual reproduction The bacteria gets bigger then divides in 1/2
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Many bacteria do Chemosynthesis(make food from chemicals.)
Most bacteria are Parasitic(eat a living host-organism) Parasite(noun)-thing that is parasitic. Saprophytic-eat dead things(decomposer organism) Some classification systems only have 5 kingdom- Kingdom Eubacteria + Kingdom Archaebacteria = Kingdom Monera .
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VIRUSES Microscopic organism that needs to use its host(living organism) to reproduce. We cannot kill a virus- Antiviral medicine stops the virus from making babies then wait for virus to get old and die. Virology - the study of Viruses Microbiology - the study of microscopic organisms like Bacteria Vaccination/Vaccinate – take dead Virus and put it into body so the body So the body will not ever let the virus Make copies.
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The structure(parts) of a Virus
Core – holds DNA or RNA (not both) Capsid – covering of made of protein around the core Virion – Whole virus cell ( core & capsid together)
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