The Bacterial Cell-BIOL-107
The Bacterial Cell
Question 1
Plasmids are
Question 2
Binary fission is an example of ____________.
horizontal gene transfer
vertical gene transfer
Question 3
The mechanism of horizontal gene transfer in which a piece of bacterial DNA is moved from one bacterium to another via a virus is called ________________________.
transformation
transduction
conjugation
Question 4
The function of the prokayotic flagellum is
conjugation
adhesion
motility
attraction
Question 5
Amphitrichous flagellar arrangement means that the bacterium has one flagellum coming out of each end, so two total one on each side.
True
False
Question 6
The function of fimbrea is
adhesion
conjugation
motility
Question
The function of the prokayotic pilus is
adhesion
conjugation
motility
Question 8
Plasma membranes of prokaryotic and eukayotic cells are structurally very similar.
True
False
Question 9
Functions of the glycocalyx include (select all that apply)
slowing phagocytosis by white blood cells
conjugation
resisting hydrophilic toxins
resisting dessication
adhesion
Question 10
The primary building block of bacterial cell walls is
cellulose
peptidoglycan
chitin
keratin
Question 11
The Archaea bacteria do not have peptidoglycans in their cell walls.
True
False
Question 12
Gram positive cell has the following characteristics
has no outer membrane
has outer membrane
becomes pink/red during Gram staining
has porin proteins
becomes purple during Gram staining
Question 13
Gram negative cell has the following characteristics
has porin proteins
has no outer membrane
has outer membrane
more permeable than gram positive
becomes pink/red during Gram staining
Question 14
Thylakoids are layers of membrane found in autotrophs.
True
False
Question 15
What staining technique needs to be used to identify mycobacterium and the presence of mycolic acid?
negative stain
acid-fast stain
gram-staining
Question 16
Endospores are formed inside of the cell in response to adverse conditions. If conditions improve, the spores will return to typical bacterial metabolism and growth in the process called…
reproduction
germination
sporulation
Question 17
If a bacterium moves away from light, this would be an example of ______________.
negative chemotaxis
positive thermotaxis
negative phototaxis
positive chemoaxis
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