Bacteria Flashcards
(41 cards)
What domain is bacteria in?
Domain Bacteria.
What size are bacteria cells?
1-3 Mm and are smaller than human cells (10-15 Mm) but bigger than Viruses (0.03-0.3 Mm).
What organisms are the smallest?
Bacteria if you do not consider viruses to be living.
What protective plant-like structure do most bacteria have?
Cell wall
What is another protective structure that some bacteria have?
capsule
What stucture used for motion do some bacteria have?
Flagella
What are the three types of Bacteria?
Coccus, Bacillus, Spirillum
What shape is a coccus bacteria?
Round.
What shape is a bacillus bacteria?
hot-dog shaped
What shape is a spirillus bacteria?
Spiral shaped
Is a colony of bacteria considered one organism?
Yes.
What types of bacteria exist in colonies?
Coccus and bacillus.
What is a colony of two bacteria called (prefix)?
Diplo
What are the types of diplo colonies called?
Diplococcus and diplobacillus
What is a colonoy of many bacteria in a straight line called?
Strepto
What are the types of strepto colonies?
Streptococcus, streptobacillus
What is a colony of many bacteria group together in a clump called?
Staphylo
What are types of staphylo colonies?
Staphlyococcus
What are the two states of bacteria?
vegetative and spore states
What state are bacteria in most of the time?
vegetative state
When are bacteria in the vegetative state?
When conditions are favorable.
There is water, neutral ph
When are bateria in a spore state?
In unfavorable conditions.
Such as no water, ph is to acidic or basic,
Why do bacteria go into a spore state?
It’s a survival technique. Like hibernation, but with no cellular activity. Like a time freeze
What happens during the spore state?
The cytoplasam condenses and the cell wall gets thicker