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Biology M2

vocab module 2

TermDefinition
pathogen an organism that causes disease
Kingdom Monera kingdom of bacteria organisms
spherical bacteria known as coccus
rod-shaped bacteria known as bacillus
helical bacteria known as spirillum
fimbriae fibrous bristles
locomotion moving the bacterium from one place to anothe
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
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
conjugation a temporary union of two organisms for the purpose of DNA transfer
transformation the transfer of a DNA segment from a non-functional 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
conditions for bacterial growth moisture, moderate temperature, nutrition, darkness, proper amount of oxygen
Created by: GreenAcademy
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