Flashcards in Prokaryotes Deck (49)
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1
What are the only membrane bound organelles in Prokaryotes?
Ribosomes
2
Prokaryotes are _______ non-_______ cells.
Prokaryotes are haploid non-nucleated cells.
3
What makes up the cell wall in Prokaryotes?
Peptinoglycan
4
What is peptinoglycan made of?
protein + Carb
5
Some cells in addition to a peptinoglycan cell wall have what?
lipopolysaccride layer
6
What are lipopolysaccrides made of?
Lipid + Carb
7
The cell membrane of Prokaryotes is made of?
phospholipid bilayer
8
What does a Gram stain show?
The difference between a lipopolysaccride (-) and peptidoglycan (+)
9
On a gram negative stain, what will bacteria look like what?
red
10
On a gram positive stain, what will bacteria look like?
purple
11
LPS will stain?
Not at all, so will just have a pink/red appearance
12
Peptidoglycan will stain?
purple
13
What type of Gram is worse, postive or negative in regards to infection?
A Gram - is worse, because it has another layer on top of cell wall
14
Bacteria Shapes-
Coccus?
sphere
15
Bacteria Shapes-
Diplococcus?
pairs of cocci
16
Bacteria Shapes-
Tetrad?
4 cocci
17
Bacteria Shapes-
Staphylococcus?
clusters of Cocci
18
Bacteria Shapes-
Streptococcus?
Chains of cocci
19
Bacteria Shapes-
Bacillus?
Rod Shapes bacilli
20
Bacteria Shapes-
Spirillum?
Fixed spiral shaped bacteria
21
Bacteria Shapes-
Spirochete?
Flexible spiral shape
22
What is the capsule of bacteria made out of?
Glycocalyx-sugar coating
23
What is the glycocalyx used for?
To stick to things
24
What are pili filaments used for?
attachments and mainly for reproduction
25
What are endospores used for?
cell hibernation
26
When are endospores made?
when there is a lack of moisture
27
Bacteria are asexual by ______ _________.
Binary fission
28
The DNA plasmid does what?
Duplicates itself and copies attach themselves to the membrane
29
How do bacteria transfer DNA?
through a pili filament conduction bridge
30
