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Laboratory Techniques > Infectious Micro-organisms > Flashcards

Infectious Micro-organisms Flashcards

1
Q

General bacteria structure and characteristics

A 
Unicellular
O.5-5um
Has cell membrane and wall
Normal cytoplasm
Free-floating nuclear material
May have:
- slime capsule/pili/flagellae
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2
Q

How do bacteria reproduce

A

Binary fission

Some produce endospores

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3
Q

Leptospia canicola characteristics

A

G-ve

Spirochete

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4
Q

Salmonella spp. Characteristics

A

G-ve

Bacillus

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5
Q

Campylobacter spp. Characteristics

A

G-ve
Curved bacillus
(Vibrio)

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6
Q

Borrellia Burgdorferi characteristics

A

G-ve

Flattened spirochete

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7
Q

Clostridium tetanai characteristics

A

G+ve

Bacilli

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8
Q

Brucella spp. Characteristics

A

G-ve

Coccobacilli

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9
Q

Psittacosis characteristics

A

G-ve

Cocci

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10
Q

Staph and strep spp. Characteristics

A

G+ve

Cocci

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11
Q

Escherichia coli characteristics

A

G-ve

Bacillus

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12
Q

Virus general characteristics and structure

A

20-300nm
Protein capsid containing nucleic acid

Only replicate w/in host cell
Stop cell functioning

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13
Q

Fungi size

A

3um - very large

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14
Q

Moulds structure and characteristics

A

Filamentous
Multicellular
Produces spores (hyphae)
Sexual/asexual reproduction

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15
Q

Example of mould

A

Microsprum spp.

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16
Q

Yeast structure and characteristics

A

Rounded
Unicellular
Reproduce through budding

17
Q

Examples of yeasts (2)

A

Candida albicans

Malassezia pachydermatitis

18
Q

Protozoan structure and characteristics

A 
10-20um
Unicellular
Complex structure 
No cell wall
Membrane bound nucleus
Some are parasitic
19
Q

Examples of Protozoa (3)

A

Giardia spp.
Toxoplasma gondii
Cryptosporidium parvum

20
Q

Condition caused by infection with ringworm

2 causal agents

A

Dermatophyotsis

Microsporum spp.
Trichophyton spp.

21
Q

G-ve bacteria (5)

A 
Salmonella
E. Coli 
Leptospira 
Campylobacter 
B. Burgdorferi
22
Q

G+ve bacteria (3)

A

Staph
Strep
Clostridium tetani

Laboratory Techniques (13 decks)

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