Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
Pathogen
|
An organism that causes disease (37)
|
|
Saprophyte
|
An organism that feeds on dead matter (41)
|
|
Parasite
|
An organism that feeds on a living host (42)
|
|
Aerobic organism
|
An organism that requires oxygen (42)
|
|
Anaerobic organism
|
An organism that does not require oxygen (43)
|
|
Steady state
|
A state in which members of a population die as quickly as new members are born (46)
|
|
Exponential growth
|
Population growth that is unhindered because of the abundance of resources for an ever-increasing population. (47)
|
|
Logistic growth
|
Population growth that is controlled by limited resources. (47)
|
|
Conjugation
|
A temporary union of two organisms for the purpose of DNA transfer (48)
|
|
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. (48)
|
|
Transformation
|
The transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipient cell (49)
|
|
Transduction
|
The process in which infection by a virus results in DNA being transferred from one bacterium to another (50)
|
|
Endospore
|
The DNA and other essential parts of a bacterium coated with several hard layers (50)
|
|
Strains
|
Organisms from the same species that have markedly different traits (58)
|