Flashcards in Microbiology Deck (84)
A prokaryotic microorganisms that contains DNA only
Type of staining method to check presence of DNA
Positive feulgen reaction
Site of protein in synthesis in bacteria.
Act as mitochondria in bacteria.
It is the site of oxidative phsophorylation
Cell membrane surface
Functions as an osmotic permeability barrier which is Aqueous and Hydrophilic
It is the stage when they are metabolically active but not reproducing.
Stage when there is cell division
Log or exponential phase
Log phase lasts for?
Phase of which it is the target of most antibiotics
Phase when they reached a steady state
Bacteria's source of energy
What is a spore?
Part of cell wall to survive extreme heat
Bacteria needed for the quality of dry and moist heat
Phase when bacteria dies due to nutrient depletion
Bacterias are (heterotrophs, autotrophs)
What are autotrophs?
Organisms that produces their own nutrient by oxidation of substances
After oxygen is used by bacteria, what is used next for their energy??
CO2 through fermentation
Uptake of DNA from outside of the cell wall
Delivering bacterial DNA to the next hose to produce lysogen.
Process by which plasmid is transferred from an F plus to F minus
What is a Plasmid?
Gene of bacteria where DNA is found
What is a lysogen?
One that receives DNA
The most distinguishing characteristics of bacterial genes include?
Bacteria that lives at 45-122 degree celsius
Bacteria that live at 25-45 degree celsius
Bacteria that live at 15-20 degree celsius
Psychrophile or cryophile
Classification of bacteria based on temperature
Microbial growth may be estimated quantitatively by determining?
Cell dry weight
Culture oxygen consumption