Module #2 Flashcards
(14 cards)
Pathogen
an org that causes disease
Saprophyte
an org that feeds on dead matter
parasite
an org that feeds on a living host
aerobic org
an org that requires oxygen
anaerobic org
an org 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 or resources for an ever- increasing population
logistic growth
population growth that is controlled by limited resources
conjugation
a temporary union of two org 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 form the main bacterial genetic code
transformation
the transfer of DNA segment from a nonfunctional donor cell to that of a functional recipient cell
transduction
the process in which infection by a virus results in DNA being transferred form one bacterium to another
endospore
the DNA and other essential parts of a bacterium coated with several hard layers
strains
org fro the same species that have markedly different traits
