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Biology Ch 2

QuestionAnswer
Pathogen an organism that causes disease
Saprophyte an organism that feeds on dead matter
parasite an organism that feeds on living hosts
aerobicorganism an organism that requires 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 unhindred because of the abundance of recorces for an ever increasing population
logistic growth population growth that is controlled by limited recources
plasmid a small circular section of extra DNA that confers one or more traits to a bacterium can be reproduced seporately from the main bacterial genetic code
transformation the transfer of DNA segment from a non funtional dover 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
Created by: kbtarheelgirl
 

 



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