The characteristic of bacteria that means their cells have a no nucleus.
What is prokaryotic?
100
Bacteria reproduction method where the cell daughter is a clone of the mother cell.
What is asexual reproduction or cell fission?
200
Two factors that can affects the activity of the microorganism.
What is temperature, pH, salt concentration, oxygen, moister, sources of essential nutrients?
200
The way that bacteria are classified.
What is by shape?
200
This stage the cells are reproducing at their fastest speed
What is a log phase?
200
The name of the small hair like structures that cover microorganisms and help them move and feed
What is heterotroph?
200
Stage of cell growth that has a greater number of cells dying over the number of cells duplicating?
What is decline or death phase?
300
For acidophile microorganisms they will only survive if the media has what characteristics?
What is acid pH between o.1 and 5.4?
300
The process in which one bacterial cell produces two cells.
What is binary fission?
300
These keep anaerobes organisms from reproducing.
What is oxygen?
300
The binomial system by which we write the microorganism name indicates we should write the bacteria name
The generic (genus) name followed by the species name
Generic part is capitalized, species is lowercase
Both are italicized or underlined if italics aren’t available
300
An example of microorganism that is able to produce its own food
What is euglena?
400
The maintenance of alkaliphiles culture the media should have what characteristics?
What is alkaline pH 8 to 11.5?
400
What are the 4 categories ink to the oxygen requirements in microorganisms?
Obligate aerobes: must have free oxygen
Obligate anaerobes: killed by free oxygen
Facultative anaerobes: carry on aerobic metabolism but shift to anaerobic metabolism when oxygen is absent
Microaerophiles: grow best in presence of small amount of free oxygen
400
An organism that can grow only if there is light present
What is a photosynthetic organism?
400
Amoebas use these for moving and eating.
What are pseudopodia (false feet)?
400
An organism that invades another organism to get the nutrients it needs.
What is a parasite?
500
According to their growth temperature range, bacteria can be classified in fours groups, which are?
What is psychrophile, mesophile, typical thermophile, and extreme thermophile?
500
Bacteria that cause disease.
What are pathogenic bacteria?
500
The name of the cell structure that allow cells to move in liquid solutions
What is the flagella and cilia?
500
An organism that cannot make its own food and must get it from the environment.
What is a heterotroph?
500
A eukaryotic heterotroph with rigid cell walls and no chlorophyll.