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21 Cards in this Set
- Front
- Back
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Name given to a group of prokaryotes that can live in extremely harsh conditions
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extremophile
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List four ways you can keep your body healthy
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nutritious foods, enough sleep, handwashing, don't share food/drinks with others
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List the three bacterial shapes
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spherical, rodlike, spiral
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The coat of a virus is usually made up of
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protein
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In order to live, a virus must
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be inside a living host cell
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An infectious particle that is nonliving
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virus
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An organism that lives in or on another living organism
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Parasite
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A virus that infects a bacterium
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bacteriophage
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Substance used to kill bacteria
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Antibiotics
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A weakened or dead form of a pathogen that causes a response by the immune system, usually given in the form of a shot
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vaccine
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Name given to organisms that live on dead decaying matter
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decomposer
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Type of asexual reproduction where a cell divides into two cells, that are exact copies of each other
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Binary fission
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Viruses reproduce by
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invading a host cell
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What is NOT true of viruses
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They can be treated with antibiotics
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The term for cell division in bacteria is
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binary fission
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Among bacteria, getting food may involve
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photosynthesis and chemosynthesis
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If a bacterial cell can move, it does so by means of
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flagella
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Bacteria may undergo binary fission as often as
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every 20 minutes
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The bacteria that use the energy from the sun to make food are called
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photoautotrophs
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Humans do NOT use bacteria to
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mine minerals from the ground
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How can bacteria cause disease?
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animal bite, environmental source, contact with infected person, contact with contaminated object
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