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Microbiology and Parasitology > 1-Bacteria-Part I > Flashcards

1-Bacteria-Part I Flashcards

2
Q

DNA within nuclear membrane

A

Eukaryotes

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3
Q

Mitotic division

A

Eukaryotes

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4
Q

DNA associated with histones

A

Eukaryotes

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5
Q

Single chromosome number

A

Prokaryotes

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6
Q

Membrane-bound organelles

A

Eukaryotes

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7
Q

70S (50S + 30S)

A

Prokaryotes

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8
Q

80S (60S + 40S)

A

Eukaryotes

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9
Q

Cell wall containing peptidoglycan

A

Prokaryotes

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10
Q

Thick, multilayer peptidoglycan

A

Gram-Positive

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11
Q

Teichoic acids

A

Gram-Positive

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12
Q

Single layer peptidoglycan

A

Gram-Negative

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13
Q

Lipopolysaccharide

A

Gram-Negative

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14
Q

Periplasmic space

A

Gram-Negative

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15
Q

Primary stain

A

Crystal violet

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16
Q

Mordant

A

Iodine

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17
Q

Decolorizing agent

A

Alcohol

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18
Q

Counterstain

A

Safranin

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19
Q

O Antigen

A

Cell wall

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20
Q

Site of oxidative and transport enzymes

A

Cytoplasmic membrane

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21
Q

Lipoprotein bilayer without sterols

A

Cytoplasmic membrane

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22
Q

Protein synthesis; RNA and protein in 50S and 30S subunits

A

Ribosome

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23
Q

Genetic material

A

Nucleoid

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24
Q

Participates in cell division and secretion

A

Mesosome

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25
Q

Invagination of plasma membrane

A

Mesosome

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26
Q

Contains many hydrolytic enzymes

A

Periplasm

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27
Q

Space between plasma membrane and outer membrane

28
Q

Protects against phagocytosis

29
Q

Attachment, conjugation (glycoprotein)

30
Q

Attachment, conjugation (glycoprotein)

31
Q

Mediates adherence to surfaces

A

Glycocalyx

32
Q

Motility

33
Q

H antigen

34
Q

Resistance to heat and chemicals

35
Q

Keratin-like coat, dipicolinic acid

36
Q

Genes for antibiotic resistance and toxins

37
Q

Site of nutrients in cytoplasm

38
Q

All have cell walls composed of peptidoglycan EXCEPT

A

Mycoplasma

39
Q

All gram-positive bacteria have no endotoxin EXCEPT

40
Q

All bacterial capsules are composed of polysaccharide EXCEPT

A

B. anthracis

41
Q

All exotoxins are heat-labile EXCEPT

A

Staphylococcus enterotoxin

42
Q

DNA transferred from one bacterium to another

A

Conjugation

43
Q

Conjugation

A

Prokaryotes

44
Q

DNA transferred by a virus from one cell to another

A

Transduction

45
Q

Transduction

A

Prokaryotes

46
Q

Purified DNA taken up by a cell

A

Transformation

47
Q

Transformation

A

Prokaryotes and Eukaryotes

48
Q

Lytic and Lysogenic cycle

A

Transduction

49
Q

Griffith’s experiment

A

Transformation

50
Q

Exotoxin

A

Gram-positive and gram-negative

51
Q

Endotoxin

A

Gram-negative

52
Q

Secreted from cell (exotoxin or endotoxin?)

53
Q

Polypeptide (exotoxin or endotoxin?)

54
Q

Lipopolysaccharide (exotoxin or endotoxin?)

55
Q

Plasmids or bacteriophage (exotoxin or endotoxin?)

56
Q

Bacterial chromosome (exotoxin or endotoxin?)

57
Q

High toxicity (exotoxin or endotoxin?)

58
Q

Highly antigenic (exotoxin or endotoxin?)

59
Q

Toxoids used as vaccine (exotoxin or endotoxin?)

60
Q

Destroyed rapidly at 60degC (exotoxin or endotoxin?)

A

Exotoxin (Except staphylococcal enterotoxin)

61
Q

Stable at 100degC for 1 hr

62
Q

Tetanus

63
Q

Meningococcemia

64
Q

Botulism

Microbiology and Parasitology (6 decks)

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