Prokaryotic/Eukaryotic Flashcards

1
Q

Morhpology

A

Shape

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2
Q

The three shapes of bacteria are

A

Round, Rod, Spiral

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3
Q

Round bacteria are called

A

cocci

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4
Q

Rod bacteria are called

A

bacilli

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5
Q

What are the three kinds of spiral bacteria?

A

Vibros, Spirillium and Spirochetes

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6
Q

Cocci are

A

non motile

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7
Q

bacilli are

A

motile

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8
Q

Vibros are

A

comma shaped

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9
Q

spirillium are

A

s-shaped

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10
Q

spirochetes

A

true spirals

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11
Q

diplococci

A

pairs

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12
Q

streptococci

A

in chains

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13
Q

saphylococci

A

grapelike clusters

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14
Q

a diplobacilli is found in

A

pairs and in the environment

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15
Q

streptobacilli

A

are found in chains

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16
Q

what do most bacilli move by?

17
Q

This gelatin layer surrounds the cell wall of bacteria

A

glycocalyx

18
Q

If the glycocalyx is thick it is called a

19
Q

If the glococalyx is thin it is called a

A

slime layer

20
Q

Glococalyx protects bacteria from

A

dehydration, phagocytosis of eukaryotic cells and chemicals

21
Q

Virulence

A

is the degree of severity of disease

22
Q

a capsule aid is __________ to surfaces

23
Q

Two examples of bacteria with capsules are

A

mycobacterium tuberculosis (Causes TB) and Klebsielle pneumoniae (causes pneumonia)

24
Q

Flagella

A

is a bacterial structure that is used to propel bacteria in an aqueous environment

25
Bacteria are classified by
number and position
26
What are the five classifications of bacteria?
Atrichous, Monotrichous, Lophotrichous, amphitrichous and peritrichous
27
Atrichous bacteria has
no flagella
28
monotrichous
has one flagella at one pole
29
lophotrichous
has a tuft or 2 or more flagella at one pole
30
amphtrichous
has one tuft or flagella at each pole
31
peritrichous
flagella surrounding the entire organism
32
axial filament
a bundle of fibers that rotate causing the spirochetes to move
33
Spirochetes
cause the disease of syphilis
34
pili
short stub hairlike bacteria structure appendages of protein. USED FOR ADHERENCE & VIRULENCE
35
How are Pili seem?
Can only be seen by the use of the electron microscope
36
Sex pili join
bacteria for the transfer of DNA--only in gram negative cells
37
The cell wall helps to
maintain shape and protection
38
The cell wall is composed of
peptidoglycan, nitrogen compounds, teichoic acid, proteins.