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Microbiology > ii. Bacterial Shape And Size > Flashcards

ii. Bacterial Shape And Size Flashcards

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Biology 101 flashcards
0
Q

Largest bacteria

A

Thiomargarita namibensis

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1
Q

Smallest bacteria

A

Mycoplasma sp

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2
Q

Largest medically important bacteria

A

Borrelia burgodorferi (lyme disease)

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3
Q

Only bacteria without a peptidoglycan cell wall

A

Mycoplasma

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4
Q

Peptidoglycans are crosslinked by

A

Transpeptidase

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5
Q

Targeted by lysozymes

A

B 1-4 linkage bn GlcNac and MurNac

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6
Q

Unique to gram positive organisms

A

Teichoic acid

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7
Q

Unique to gram negative organisms

A

Endotoxin/LPS

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8
Q

Only gram positive with an endotoxin

A

Listeria monocytogenes

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9
Q

Perisplasmic space found in?

A

Gram negatir

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10
Q

Gram staining procedure

A

Crystal violet, iodine, acetone, safranin

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11
Q

Primary stain

A

Crystal violet

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12
Q

Mordant

A

Iodine

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13
Q

Decolorizing agent

A

Acetone

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14
Q

Counterstain

A

Safranin

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15
Q

Mycobacteria stain

A

Acid fast stain

16
Q

Spirochetes altenative approach to staining

A

Darkfield microscopy

17
Q

Mycoplasma altenative approach to staining

A

Serology

18
Q

Legionella spp altenative approach to staining

A

Silver stain

19
Q

Chlamydia altenative approach to staining

A

Inclusion bodies

20
Q

Rickettsiae altenative approach to staining

A

Giemsa/ tissue stain

21
Q

Essential components of bacteria

A

Cell wall, cytoplasmic membrane, ribosome, nucleoid, mesosome, periplasm

22
Q

Contains many hydrolytic enzymes including B lactamases

A

Periplasm

23
Q

Non essential components of bacteria

A

Capsule, pilus/ fimbriae, glycocalyx, flagellum, spore, plasmid, granule

24
Q

Protects against phagocytosis

A

Capsule

25
Q

For attachment or conjugation

A

Pili, fimbriae

26
Q

Mediates adherence to surfaces

A

Glycocalyx

27
Q

Genes for antibtiotic resistance and toxins

A

Plasmid

28
Q

Site of nutrients in cytoplasm

A

Granule

29
Q

Only bacterial capsule that is composed of polypeptide of D- glutamate

A

Bacillus anthracis

30
Q

Example of spore forming gram + rods

A

Bacillus and clostridium

31
Q

Toxic proteins produced by certain bacteria that are lethal for other bacteria

A

Bacteriocins

Microbiology (21 decks)

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