chapter 10-13 micro (taylor) exam 2 Flashcards


Set Details Share
created 9 years ago by rubigordils
814 views
updated 9 years ago by rubigordils
Grade levels:
College: First year, College: Second year, College: Third year, College: Fourth year
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:

1

Bergey's Manual of Systematic Bacteriology differs from Bergey's Manual of Determinative Bacteriology in that the former

groups bacteria according to phylogenetic relationships

2

Bacillus and Lactobacillus are not in the same order. This indicates that which one of the following is not sufficient to assign an organism to taxon?

morphological characteristics

3

Which of the following is used to classify organisms into the Kingdom Fungi?

absorptive ;possess cell wall;eukaryotic

4

Which Of the following is not true about scientific nomenclature?

names very with geographical location

5

You could identify an unknown bacterium by all of the following except..

percentage of guanine + cystosine

6

The wall-less mycoplasmas are considered to be related to gram positive bacteria.Which of the following would provide the most compelling evidence for this?

they share common rRNA sequences

7

Into which group would you place a multicellular organisms that has a mouth and lives inside the human liver?

Animalia

8

Into which group would you place a photosynthetic organism that lacks a nucleus and has a thin peptidoglycan wall surrounded by an outer membrane?

Proteobacteria (gram-negative bacteria)

9

Use the following choices to answer questions 9 and 10.
1. 9+2 4.nuclues
2.70S ribosome
3.fimbria
4.nuclues
5.peptidoglycan
6.Plasma membrane
Which is (are) found in all three domain?
a.2,6
b.5
c.2,4,6
d.1,3,5
e.all six

(2)70S ribosomes & (6)plasma membrane

10

Use the following choices to answer questions 9 and 10.
1. 9+2 4.nuclues
2.70S ribosome
3.fimbria
4.nuclues
5.peptidoglycan
6.Plasma membrane
Which is (are) found only on prokaryotes?
A.1,4,6
B.3,5
C.1,2
D.4
E.2,4,5

(3)fimbria & (5)peptidoglycan

11

If you Gram-Stained the bacteria that live in the human intestine, you would expect to find mostly

gram-negative rods

12

Which of the following does not belong with the others?
a.Enterobacteriales
b.Lactobacillales
c.Legionellales
d.anaerobic
e.Vibrionales

Lactobacillales

13

Pathogenic bacteria can be.
a.motile
b.rods
c.cocci
d.anaerobic
e.all of the above

motile,rods,cocci, and anaerobic

14

Which of the following is an intracellular parasite?

Rickettsia

15

which of the following terms is the most specific?

Bacillus

16

Which one of the following does not belong with the others?

Staphylococcus

17

Which of the following pair is mis-matched?
a.anaerobic endospore-forming gram-positive rods-CLOSTRIDIUM
b.facultatively anaerobic gram -negative rods- ESCHERICHIA
c.facultatively anaerobic gram-negative rods- SHIGELLA
d.pleomorphic gram positive rods- CORYNEBACTERIUM
e. spirochete-Helicobacter

Spirochete-Helicobacter

18

Sprillum is not classified as a spirochete because spirochete..

possess axial filaments

19

When LEGIONELLA was newly discovered, it was classified with the pseudo monads because...

it is an aerobic gram negative rod

20

Cyanobacteria differ from purple and green purple phototrophic bacteria because cyanobacteria...

produce oxygen during photosynthesis

21

How many phyla are represented in the following list of organism:Echinococcus,Cyclospora,Aspergillus,Taenia,Toxoplasma,Trichinella?

Taenia

22

2.Put the above stages in order of development, beginning with the egg.
Use the following choices to answer questions 2 and 3:
1)Metacercaria
2)redia
3)adult
4)miracidium
5)cercaria

(4)miracidium(2)redia(5)cercaria(1)Metacercaria(3)adult

23

If a snail is the first intermediate host of a parasite with these stages,which would be found in the snail?
1)Metacercaria
2)redia
3)adult
4)miracidium
5)cercaria

(2)redia

24

Which of the following statements about yeast are true?
1) Yeasts are fungi
2)Yeasts can form pseudohphae
3)Yeasts reproduce asexually by budding.
4)Yeasts are facultatively anaerobic
5)All yeasts are pathogenic
6)All yeasts are dimorphic
a.1,2,3,4
b.3,4,5,6
c.2,3,4,5
d.1,3,5,6
e.2,3,4

(1)Yeast is fungi(2)Yeasts can form pseudohphae,(3)Yeasts reproduce asexually by budding,(4)Yeasts are facultatively anaerobic

25

Which of the following events follows cell fusion in an ascomycete?

ascospore formation

26

The definitive host for Plasmodium vivax is?

Anopheles

27

Fleas are the intermediate host for Dipylidium caninum tapeworm, and dogs are the definitive host. Which stage of the parasite could be found in the flea?

cysticerus larva

28

Use the following choices to answer 8-10
A.Apicomplexa B.Ciliophora C.Dinoflagellates D.Microspora
8) These are obligate intracellular parasites that lack mitochondria.

Microspora

29

9) These are nonmotile parasites with special organelles for penetrating host tissue.

Apicomplexa

30

10) These photosynthetic organisms can cause paralytic shellfish poisoning.

Dinoflagellates

31

Place the following in the most likely order for biosynthesis of a bacteriophage: 1)phage lysozyme; (2) mRNA; (3)DNA; (4) Viral proteins; (5) DNA polymerase

(2) mRNA,(5)DNA polymerase,(3)DNA,(4)Viral proteins,(1)phage lysozyme

32

The molecule serving as mRNA can be incorporated in the newly synthesized virus capsids of all of the following except

- strand RNA rhabdoviruses

33

A virus with RNA-dependent RNA Polymerase?

synthesize double-stranded RNA from a DNA template

34

Which of the following would be the first step in the biosynthesis of a virus with reverse transcriptase?

A complementary strand of DNA must be synthesized from an RNA template

35

An example of lysogeny in animals could be ?..

Latent viral infections

36

The ability of a virus to infect an organism is regulated by..

All of the above the host species,type of cell,availability of an attachment site,cell factors necessary for viralreplication

37

Which of the following statements is not true?
a.viruses contain DNA or RNA
b.The nucleic acid of a virus is surrounded by a protein coat.
c.Viruses multiply inside living cells using viral mRNA , tRNA, and ribosomes.
d. Viruses cause the synthesis of specialized infectious elements.
e.Viruses multiply inside living cells.

Viruses multiply inside living cells using viral mRNA , tRNA, and ribosomes.

38

Place the following in the order in which they are found in a host cell: (1)capsid proteins; (2) infective phage particles; (3) phage nucleic acid.

(3) phage nucleic acid,(1)capsid proteins,(2) infective phage particles

39

Which of the following does not initiate DNA synthesis?

a single-stranded RNA virus (Tovgaviridae)

40

A viral species is not defined on the basis of the disease symptoms it causes. The best example of this is what?

Hepatitis

41

what are the 3classification domains?

Bacteria, Archaea, Eukarya

42

what is a prokaryotic species?

a population of cells with similar characteristics.

43

what is a culture?

grown in a laboratory media

44

what is a clone?

a population of cells derived from a single cell.

45

what is strain?

genetically different cells within a clone.

46

what are Eukaryotic species?

a group of closely related organisms that bread among themselves.

47

what are the 4 classifications of eukaryotes?

Animalia, Plantae, Fungi, Protista

48

what are viral species?

population of viruses with similar characteristics that occupies a particular ecology niche.

49

what is classification?

placing organisms in groups of related species, list of characteristics of known organisms

50

what is identification?

matching characteristics of an "unknown" organism to list of known organism.

51

what are the 3 methods of identification?

Morphological characteristics,Differential staining, Biochemical test.

52

what identification method is useful to identify Eukaryotes?

Morphological characteristics

53

what are he 2 methods of Differential staining?

Gram staining & acid-faststaining

54

that is the Biochemical test method?

Determines presence of bacteria enzymes.

55

what is an example of Serology?

coagulase

56

what is Nucleic acid hybridization ?

when Pairing between complementary bases occurs.

57

in complete hybridization the organism is ?

Identical

58

in partial hybridization the organism is?

Related

59

in no hybridization the orgamism is ?

unrelated

60

what is DNA chip technology

a DNA chip that can be manufactured to contain hundreds of thousands of synthetic single -stranded DNA sequences

61

in DNA chip technology the unknown DNA is ?

inserted into the chip and allowed to hybridize with the DNA on the chip

62

In DNA chip technology the redlight results will show?

a gene expressed in normal cells

63

In DNA chip technology the greenlight results will show?

is a mutated gene expressed on tumor cells

64

In DNA chip technology the yellowlight results will show?

in both ,a gene expressed in normal cells and s a mutated gene expressed on tumor cells

65

what are he 2 Alphaproteobaceria obligate intacellular parasites.?

Ehrlichia:tickbrn, Ehrlichiosis & Rickettsia:Arthropod,spotted fevers

66

what are the 2 Alphaproteobaceria that have prosthacae ?

Caulobacter:stalked bacteria & Hyphomicrobium:budding bacteria both are found in lakes

67

what is a Alphaproteobaceria that is plant pathogen?

Agrobacterium:insert plasmid into plant cells,inducing tumor.

68

what are 2 Alphaproteobaceria that are nitrgen fixing?

Azospirillum: grow in soil,using nutrients excreted by plants and fix nitrgen & Rhizobium: fixed nitrogen in the roots of plants.

69

All Betaproteobacteria is gram-______?

gram-negative

70

what are 2 Betaproteobacteria's?

Bordetella:chemoheteratrophic;rods,B.pertussis & Burkholderia:Burkholders Cepacia-common on CF patients.

71

what are 3 Gammaproteobacteria's?

Pseudomonadales, Legionellales (shriners conventions), Vibrionales

72

what is the organism found in Pseudomonas?

Sudimorphis Arigonosa

73

Pseudomonadales Gammaproteobacteria causes?

Pseudomonas

74

Legionellales Gammaproteobacteria causes?

Legionella (shriners conventions),Legionairres Dieases, and Serious respiratory infection.

75

Vibrionales Gammaproteobacteria causes?

Vibrio cholerae wich causes chlolera and severe diarea.

76

what are 2 epsilonproteobacteria's?

Helicobacter & H.Pylori :multiple flagella and causes Peptic ulcers and Stomach cancer.

77

Clostrdiales causes?

colstridium wich is Endospore-producing ad is obligate anaerobes.

78

colstridium causes?

cangreen and Bachilism

79

what is Planctomycetes?

Gemmata obscuriglobus

80

Chlamydias causes

chamydia trachomatis

81

chamydia trachomatis causes

Trachoma and STI,urethritis

82

what is yeast?

unicellular fungi

83

what are 2 types of yeast?

Fission yeasts & Budding yeasts

84

fission yeasts divides _______?

symmetrically

85

Budding yeasts divides_______?

asymmetrically

86

what are he three phases of sexual reproduction?

plasmgamy, karyogamy and meiosis

87

what is the plasmgamy phase ?

Haploid donor cell nucleus (+) penetrates cytoplasm of recipient cell (-)

88

what is the karyogamy phase ?

+ and - nuclei fuse.

89

what is the meiosis phase ?

Diploid nucleus produces haploid nuclei (sexual spores)

90

what is an example of Ascomycota?

Sac fungi

91

what are Lichens?

Mutualistic combination of an alga(or cyanobacterium) and fungus.

92

what are the three types of Lichens?

Fruticose, Foliose, Crustose.

93

what is a type of Rhodophyta?

Red algae

94

An example of Chlorophyta is

Green algae

95

Diatoms have _______ and______ cell walls.

Pectin & Silica

96

Diatoms are ____cellular?

Uni

97

Diatoms contains Chlorophyll ______ and_____, _________, _________ and store______.

a & b, carotene, xanthophylls and store oil.

98

Fossilized diatoms formed_____ and produce _____acid.

oil and produce domoic.

99

Dinoflagellates causes?

Red tide

100

Dinoflagellates has _____ in plasma membrane and is ____cellular.

cellulos and uni

101

Dinoflagellates contains Chlorophyll _____and____, ________, _________.

a and c,carotene,xanthins.

102

Dinoflagellates stores _________and some are _________in marine animals

starch, symbionts

103

what is an example of Oomycota?

Water molds

104

Archaezoa has no_______ and has multiple_______.

mitocondria, flagella.

105

Archaezoa causes _______and _______.

Giardia lamblia

106

Euglenozoa move by______ and contain _______.

flagella,Hemoflagellates

107

Euglenozoa causes trypanosoma wisch causes

Sleeing sickness and Chagas disease

108

Dirofilaria immitis is what?

Heartworm

109

Heartworms cause?

Dirofilaria immitis