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14 terms

Apologia Biology - Module 2: Kingdom Monera (2nd edition)

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