Bacteria/Virus
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| archaebacteria | oldest form of bacteria and are the extremophiles
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| eubacteria | heterotroph decomposers
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| which bacteria kingdom is most closely related to the other kingdoms? | eubacteria
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| saprobes | decomposers
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| what are the 3 shapes of bacteria | sphere, rod, spiral
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| coccus | sphere
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| bacillus | rod
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| spirllium | spiral
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| prefix Diplo | pair
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| prefix strepto | chain
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| prefix staphylo | cluster
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| major method of reproduction used by bacteria | asexual
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| nitrogen-fixing bacteria | they convert nitrogen to nitrates which the plants absorb to make proteins and nucleic acid
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| name of bacteria that live on dead material | heterotrophs
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| name of harmful bacteria | pathogens
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| two ways bacteria can harm living organisms |
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| age of oldest bacteria fossils | 3.8 billion
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| chemosynthetic | in deep ocean vents convert hydrogen sulfide gas into energy
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| cyanobacteria | photosynthetic bacteria which act as producers in many aquatic ecosystems
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| thermophiles | archaebacteria from hot springs and other high temperature environments
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| methanogens | make methane gas as a waste product, found is swamp sediments sewage and buried landfills
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| 4 methods to stop or slow down bacteria growth on food | pastuerization, sterilization, refrigeration, freezing (salting/drying)
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| do bacteria break down their food inside or outside their cells? |
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| how does the way bacteria breaks down their food inside their cell compare to eukaryote cells? |
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| role of soil decomposers | to release nutrients for plant growth
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| exotoxins | proteins produced inside gram positive bacteria which produce fever, weakness, and capillary damage
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| endospore | handle a lot of environmental stress
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| how do antibiotics kill bacteria? | damage cell walls, damage cell membranes, prevent protein synthesis, prevent DNA copying, and interfere with bacterial metabolism
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| what is the harm of antibiotic overuse? | it can damage the good or normal bacteria
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| why is gram staining used on bacteria? | to help doctors diagnose the disease
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| gram positive bacteria | large amount of peptidoglycan
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| which antibiotic kills gram positive bacteria? | penicilin
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| gram negative bacteria | thin layer of peptidoglycan
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| which antibiotic kills gram negative bacteria? | tetracycline
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| which photosynthetic bacteria changed earths atmosphere? | cyanobacteria
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| what did cyanobacteria do to change the worlds atmosphere? | they made the first oxygen in it
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| chemoautrophic bacteria | help plants to get nitrogen from air
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| what crucial role does chemoautrophic bacteria lay in soil for plants? | important for nitrification which helps plants make proteins
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| heterotrophic bacteria | release nutrients for plants to absorb
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| what crucial role does heterotrophic bacteria okay in the environment? | major decomposers of the living world
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| rhizobium bacteria | heterotrophic bacteria that live within nodules on the roots of legumes
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| relationship between rhizobium and plants | plant gives it a place to live, it gives plant nitrates to use in plant protein
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| process of bacteria reproduction | binary fission
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| how much smaller is bacteria compared to eukaryote | 10x
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| 3 good things about bacteria | decomposers, convert nitrogen in soil, help with digestion
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