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Apologia Bio mod 2

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 stat in which members of a population die as quickly as new members are born
Exponential growth Popultion growth tha is unhindered because of the abundance of resources for an ever-increasing population
Logistical 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 reproduces seperately from the main bacterial genetic code
Transformation The transfer of a DNA sdgment from a nonfunctional donor cell to that of a funtional 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 essentioal parts of a bacteruim coated with several hard layer
Strains Organisms from the smae species that have markedly different traits
Plasma membrane negotiate what material pass into and out of the cell
Flagellum move the bacteria from place to place
Capsule adhere to surfaces as well as to ward off infection fighting agents
DNA store the information needed to make an organism a living thing
Cytoplasm hold the DNA and ribosomes in place
Ribosomes make proteins
Fimbria grsp onto sufaces or another bacterium during conjugation
most bacteria are heterotrophic decomposers
parasites are heterotrophic because they feed on something produced by a host. they cannot make their own food.
Coccus spherical
Bacillus rod-shaped
Spirillium helical
Created by: scgingues
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