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13 Cards in this Set
- Front
- Back
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pathogen
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an organism tha causes disease
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saprophyte
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an organism that feeds on dead matter
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parasite
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an organism that feeds on a living host
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aerobic organism
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an organism that requires oxygen
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steady state
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a state in which membranes of a population die as quickly as new members are born
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exponential growth
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population growth that is unhindered because of the abundance of resources for an ever-increasing population
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logistic growth
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population growth that is controlled by limited resources
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conjugation
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a temporary union of two organisms for the purpose of DNA transfer
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plasmid
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a small, circular section of extra DNA that confers one or more traits to a bacterium and can be reproduced separately from the main bacterial genetic code
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transformation
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the transfer of DNA segment from a nonfunctional donor cell to that of a functional recipient cell
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transduction
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the process in which infection by a virus results in DNA being transferred from one bacterium to another
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endospore
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the DNA and other essential parts of a bacterium coated with several hard layers
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strains
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organisms from the same species that have markedly different traits
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