Prokaryotic/Eukaryotic Flashcards

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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?

A

flagella

17
Q

This gelatin layer surrounds the cell wall of bacteria

A

glycocalyx

18
Q

If the glycocalyx is thick it is called a

A

capsule

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

A

adherance

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
Q

Bacteria are classified by

A

number and position

26
Q

What are the five classifications of bacteria?

A

Atrichous, Monotrichous, Lophotrichous, amphitrichous and peritrichous

27
Q

Atrichous bacteria has

A

no flagella

28
Q

monotrichous

A

has one flagella at one pole

29
Q

lophotrichous

A

has a tuft or 2 or more flagella at one pole

30
Q

amphtrichous

A

has one tuft or flagella at each pole

31
Q

peritrichous

A

flagella surrounding the entire organism

32
Q

axial filament

A

a bundle of fibers that rotate causing the spirochetes to move

33
Q

Spirochetes

A

cause the disease of syphilis

34
Q

pili

A

short stub hairlike bacteria structure appendages of protein. USED FOR ADHERENCE & VIRULENCE

35
Q

How are Pili seem?

A

Can only be seen by the use of the electron microscope

36
Q

Sex pili join

A

bacteria for the transfer of DNA–only in gram negative cells

37
Q

The cell wall helps to

A

maintain shape and protection

38
Q

The cell wall is composed of

A

peptidoglycan, nitrogen compounds, teichoic acid, proteins.