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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
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bacteriophages
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viruses that infect bacteria
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lysis (lytic)
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virus that enters a cell, makes a copy of itself and causes the cell to burst.
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pathogen
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disease-causing agent, such as bacterium or fungus
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retroviruses
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virus that contain RNA as its genetic info
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vaccine
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injection of a weakened or mild form of a pathogen to produce immunity
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gram stain
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method to determine the two different types of cell walls (one violent-gram positive and one red-gram negative)
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see page 473
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obligate aerobes
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require constant supply of oxygen
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obligate anaerobes
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live in absence of oxygen
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toxins
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poison that produces illness by disrupting bodily functions
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faculative anaerobes
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can survive with/out O2
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binary fission
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type of asexual reproduction in which a prokaryote replicates its DNA and divides in 2 -producing two identical daughter cells
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conjugation
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form of asexual reproduction in which paramecia and some prokaryotes exchange genetic info
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endospore
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type of spore formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm
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a way of continuing species during harsh conditions
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saprophyte
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gets from decaying organism>>>decomposer
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symbiosis
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relationship in which two species live closely together
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legume
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live in the soil and on the roots of plants that convert nitrates and nitrites into ammonia
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nitrogen fixation
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process of converting nitrogen gas into ammonia
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virulence
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strength of a disease; ability to do harm
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capsid
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protein coat of a virus
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