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14 Cards in this Set
- Front
- Back
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Pathogen |
An organism that causes disease |
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Saprophyte |
An organism that feeds on dead matter |
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Parasite |
An organism that feeds on a living host |
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Aerobic organism |
An organism that requires oxygen |
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Anaerobic Organism |
An organism that does not require oxygen |
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Steady state |
A state in wich members of a Population die as quickly as new members are born |
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exponential growth |
Population growth that is unhindered because of the abundance of resources for an ever-increasing population |
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Logistic growth |
Population growth that is controlled by limited resources |
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Conjugation |
A temporary union of two organisms for the purpose of DNA transfer |
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Plasmid |
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 |
The transfer of a DNA segment from a non functional donor cell to that of a functional recipient cell. |
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Transduction |
The process in which infection by a virus results in DNA being transferred from one bacterium to another |
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Endospore |
The DNA and other essential parts of a bacterium coated with several hard layers |
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Strains |
Organisms from the same species that have markedly different traits |
