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Cards In This Set
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Pathogen
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An organism that 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
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An organism that requires oxygen.
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Anaerobic
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An organism that does not require oxygen.
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Steady state
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A state in which members 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 bacterium and can reproduce separately from the main bacterial genetic code.
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Transformation
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The transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipient.
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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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