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Flashcards in exam 3 Deck (267):
1

Hepatitis viruses B and C may be transmitted via
A. the serum of infected humans.
B. unprotected sex.
C. intravenous drug use.
D. all of the above routes.
E. polluted water.

D. all of the above routes.

2

Neisseria gonorrhoeae causes
A. syphilis.
B. unprotected sex in humans.
C. gonorrhea.
D. all of the above.
E. bacterial meningitis

C. gonorrhea.

3

Which property is found in Kingdom Fungi?
A. exoenzymes
B. toxins
C. chitin cell walls
D. alcoholic fermentation
E. all of the above

all above

4

Which is not found in Kingdom Fungi

E. Endotoxins

5

Fungi that pray on nematodes are most likely
A. Mormons
B. Catholics
C. Jewish
D. Muslims
E. None of the above

E. None of the above

6

Which genus below may be considered either a protozoan or an alga?
A. Chlorella
B. Euglena
C. Neurospora
D. Agaricus
E. Candida

B. Euglena

7

Morchella spp. are
A. edible basidiomycetes.
B. pathogenic protozoa.
C. in Domain Bacteria.
D. in Domain Archaea.
E. edible ascomycetes.

E. edible ascomycetes.

8

Which of the below include eukaryotes with no discernable mode of sexual reproduction?
A. Zygomycota
B. Deuteromycota wiki
C. Paramecium
D. Ascomycota
E. Basidiomycota

B. Deuteromycota

9


___13. Which of the below groups of microbes has the largest number of known species?
A. protozoa
B. Bacteria
C. Archaea
D. Fungi
E. Algae

fungi

10

Which of the below is often filamentous?
A. viruses x
B. slime molds
C. Mycoplasa
D. Actinobacteria
E. Staphylococci x

. Actinobacteria

11

__________are able to degrade infecting bacteriophage DNA, thus protecting the host cell.
F. DNA-dependent RNA polymerases
G. Lysozyme
H. Protection exonucleases
I. Restriction endonucleases
J. Modification methylases

J. Modification methylases

12

Which molecule mediates the aggregation of the amoeboid cells of cellular slime molds?
A. DNA
B. cyclic AMP
C. NADPH
D. diphtheria toxin
E. endotoxin

B. cyclic AMP

13

The amoeboid cells of Dictyostelium discoideum swarm toward an “I cell” attracted by release of
A. perfume
B. DNA
C. cyclic AMP
D. steroid hormones
E. none of the above

cyclic AMP

14

Which of the below is a acellular? /cell-wall-less cell?
A. viruses
B. slime molds
C. Mycoplasa –no walls between cells
D. Actinobacteria
E. Staphylococci

A. viruses

15

A word for the study of algae is
A. bacteriology.
B. virology.
C. protozoology.
D. mycology.
E. phycology.

E. phycology.

16

Which of the below are members of the Kingdom Fungi?
A. Oomycota
B. Net slime molds
C. Acrasiomycota
D. Myxomycota
E. Basidiomycota

E. Basidiomycota

17

A dormant, but infective form for pathogenic protozoa is called a
A. endospore.
B. exospore.
C. meisopore.
D. cyst.
E. planetospore.

cyst

18

LD50 and ID50 are parameters that
A. can quantitatively characterize the virulence of a pathogenic microbe.
B. indicate killing potential and infection potential of a microbe, respectively.
C. must be in reference to a specified population and species of host.
D. describe certain qualities of a pathogen.
E. all of the above.

all

19

Which group of microorganisms is studied most in the field of phytopathology?
A. Bacteria
B. Archaea
C. Fungi
D. Protozoa
E. Slime molds

C. Fungi

20

Which group of microorganisms is the most prevalent cause of plant disease?
A. Bacteria
B. Archaea
C. Fungi
D. Protozoa
E. Slime molds

fungi

21

“Purple photosynthetic bacteria”
A. Phylum Proteobacteria
B. Phylum Actinobacteria
C. Cyanobacteria
D. Phylum Firmicutes
E. Class Clostridia

A. Phylum Proteobacteria

22

Which of the below is prokaryotic?
A. Cilophora (e.g. Paramecium, Tetrhymena)
B. Archaea
C. Rhizopus stolonifera
D. Giardia spp. Cryptosporidium spp.
E. Chlorophyta, Rhodophyta

. Archaea

23

Dictyostelium discoideum is
A. a plasmodial slime mold.
B. a net slime mold.
C. a pseudoplasmodial slime mold.
D. an alga.
E. a member of Domain Bacteria.

C. a pseudoplasmodial slime mold.

24

Which of the below is the most common type of nosocomial infection?
A. skin
B. bacteremia
C. surgical wounds
D. urinary tract
E. lower respiratory

uti

25

Iatrogenic effects during an illness are
A. related to a secondary infection.
B. hospital acquired.
C. the result of treatment.
D. acute and often deadly.
E. the result of microbial toxins.

. the result of treatment.

26

Which of the below is grouped most closely with the amoebas (actually in the same phylum)?
A. ciliates, Ciliaphora
B. flagellates, mastigophora
C. oomycetes, water molds
D. ascomycetes , sac fungi
E. slime molds

slime molds

27

Photosynthetic bacteria and eukaryotic algae have been grouped in classical taxonomy by which characteristic?
A. motility
B. sexual reproductive mode
C. pigment complement
D. starch content
E. cell-wall chemistry

C. pigment complement

28

Which is the least serious class of human mycosis?
A. superficial
B. dermatophytic
C. subcutaneous
D. systemic
E. tineas

superficial

29


___29. The nucleic acid contained in  (lambda) virions is which of the below?
A. Linear dsDNA with cohesive ends
B. dsRNA
C. covalently closed circular dsDNA
D. circular ssDNA
E. None of the above

A. Linear dsDNA with cohesive ends

30

Typical algae
A. are comprised of eukaryotic cells.
B. produce chlorophyll under aerobic conditions.
C. are prokaryotes or eukaryotes, depending on the species.
D. Conduct oxygenic photosynthesis.
E. are all except C.

E. are all except C.

31

Eukaryotic algae
A. have some members in Kingdom Plantae.
B. have some members in Kingdom Protista.
C. have some motile single-celled organisms.
D. include some multi-celled sessile colonial organisms.
E. can include any of the above

E. can include any of the above.

32

Fungi
A. are comprised of eukaryotic cells.
B. produce chlorophyll under aerobic conditions.
C. are prokaryotes or eukaryotes, depending on the species.
D. are obligate anaerobes.
E. are all of the above

are comprised of eukaryotic cells.

33

Tuberculosis is best treated
A. with multiple antibiotics.
B. with a single broad-spectrum antibiotic.
C. by rest and relaxation in a sunny dry climate.
D. with antiserum produced in a horse.
E. with an acid-fast stain.

A. with multiple antibiotics.

34

Which pathogen mediates prodigious secretion of electrolytes and water into the small intestine?
A. Serratia marcesans
B. Pseudomonas aeruginosa
C. Vibrio cholerae
D. Bacillus anthracis
E. Staphyococcus aureus

Vibrio cholerae

35

Salpingitis and pelvic inflammatory disease
A. are potential complications from cholera.
B. are caused by dermatophytic fungi.
C. are potential complications from gonorrhea.
D. can be any of the above.

. are potential complications from gonorrhea.

36

Alpha, Beta, Gamma, Delta, Episilon
A. Actinobacteria
B. Firmicutes
C. Proteobacteria
D. Virus families
E. Prions.

C. Proteobacteria

37

Mollicutes
A. No cell walls
B. In Phylum Firmicutes
C. Stain gram negatively
D. Include Mycoplasma spp.
E. All of the above

all

38

Nitrification
A. is conducted by bacteria only. (also archaea)
B. oxidizes ammonia to nitrate.
C. reduces nitrate to nitrite.
D. A and B only.
E. fixes atmospheric nitrogen as ammonia

B. oxidizes ammonia to nitrate.

39

Nobel for discover of prions
A. Constantine Alexopoulos
B. Stanley Prusiner
C. Howard Temin, David Baltimore
D. Steven Lindow
E. Delbrück and Ellis

B. Stanley Prusiner

40

Nobel for reverse transcriptase
A. Constantine Alexopoulus
B. Stanley Prusiner
C. Howard Temin, David Baltimore
D. Steven Lindow
E. Delbruck and Ellis

. Howard Temin, David Baltimore

41

Gram negative bacteria
A. Actinobacteria
B. Firmicutes
C. Proteobacteria
D. Class Bacilli –all gram-positive
E. Class Clostridia

C. Proteobacteria

42

The Epstein-Barr virus causes
A. Burkett’s lymphoma.
B. nasopharyngeal carcinoma.
C. infectious mononucleosis.
D. all of the above.
E. none of the above.

all

43

Classical systematist for Kingdom Fungi
A. Constantine Alexopoulos
B. Thomas Brock, Dave Ward
C. Howard Temin, David Baltimore
D. Steven Lindow
E. Selman Waksman

A. Constantine Alexopoulos

44

Famous classical phycologist
A. Constantine Alexopoulus
B. Barry Warner
C. Martinus Beijerinck
D. Harold Bold
E. Charlie Brown and Lucy

Harold Bold

45

Father of soil microbiology and discoverer of streptomycin
A. Alexander Fleming
B. Selman Waksman
C. Louis Pasteur
D. Peyton Rous
E. Robert Koch

B. Selman Waksman

46

English physician who was one of the first to use an epidemiological approach to establish mode of transmission of an epidemic disease (cholera via drinking water from town pump)
A. Winston Churchill
B. Louis Pasteur
C. Wendell Stanley
D. John Snow
E. Robert Koch

. John Snow

47

Whooping cough
A. Bordetella
B. Bdellovibrio
C. Burkholdaria
D. Pasteurella
E. Legionella

A. Bordetella

48

An especially virulent biotype Vibrio cholerae implicated in cholera pandemics is known as
A. the DaVinci strain
B. Al Capone
C. El Tor
D. Al Gore
E. Group A streptococcus

El Tor

49

Tobacco mosaic virus workers
A. Ivanovski, Stanley, Beijerinck
B. Twort and D’Herrelle – coined bacteriophage
C. Marshall and Warren –uclers from microbes
D. Steven Lindow -plants
E. Peyton Rous –viruses and cancer

Ivanovski, Stanley, Beijerinck

50

Described infectious proteinaceous entities that apparently contain no nucleic acids
A. Delbrück and Ellis
B. Twort and D’Herrelle
C. Rebecca Lancefield
D. Steven Lindow
E. Stanley Prusiner

E. Stanley Prusiner

51

“High G+C Gram Positive Bacteria
A. may include acid-fast microbes.
B. have a dedicated volume of Bergey’s Manual.
C. are informally known as actinomycetes
D. have many members that produce antibiotics.
E. are all of the above.

all

52

Source of agar
A. brown algae
B. red algae.
C. water molds
D. slime molds
E. protozoa

red algae

53

Corynebacterium, Streptomyces, Mycobacterium
A. Enterobacteriaceae
B. Pseudomonadales
C. Phylum Ascomycota
D. Phylum Firmicutes
E. Phylum Actinobacteria

E. Phylum Actinobacteria

54

Hydrogenosomes are
A. bacterial vacuoles.
B. organelles of some protozoa.
C. found in fungi. (only some fungi)
D. found in most microorganisms.
E. heat-resistant forms of protozoa.

B. organelles of some protozoa.

55

Cell lines that are transformed into malignant cell lines often
A. lose contact inhibition
B. are not subject to apoptosis.
C. are “immortal.”
D. have altered glucose metabolism.
E. are all of the above.

all

56

Frankia, Nocardia, Rhodococcus
A. Enterobacteriaceae
B. Pseudomonadales
C. Phylum Ascomycota
D. Phylum Firmicutes
E. Phylum Actinobacteria

E. Phylum Actinobacteria

57

Dictiostellium, Physarum
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

C. Eukarya

58

Viroids, prions
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

D. Non-cellular, infectious entities

59

Methanococcus, Halobacterium, Sulfolobus
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

A. Archaea

60

Ascomycota, Basidiomycota, Zygomycota
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

C. Eukarya

61


___59. Herpes, Smallpox, AIDS
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

D. Non-cellular, infectious entities

62

Cause of scrapie, Kuru, mad cow, Creutzfeldt-Jakob
A. bacteria
B. virinos
C. Viruses
D. viroids
E. prions

E. prions

63

Cause of scrapie, Kuru, mad cow, Creutzfedt-Jakob
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. non of the above

Non-cellular, infectious entities

64

Microbes with chitin, or cellulose cell walls
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

C. Eukarya

65

Causes of parrot fever, trachoma, typhus fever, Rocky Mountain spotted fever
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

bacteria

66

Causes of sleeping sickness, malaria, amebic dysentery
F. Archaea
G. Bacteria
H. Eukarya
I. Non-cellular, infectious entities
J. None of the above

H. Eukarya

67

Enzymes, ribosomes, mitochondria, flagella are
K. Archaea
L. Bacteria
M. Eukarya
N. Non-cellular, infectious entities
O. None of the above

M. Eukarya

68

Cause tuberculosis, leprosy, and diphtheria
P. Archaea
Q. Bacteria
R. Eukarya
S. Non-cellular, infectious entities
T. None of the above

Q. Bacteria

69

May produce perithecia, cleistothecia, apothecia
U. Archaea
V. Bacteria
W. Eukarya
X. Non-cellular, infectious entities
Y. None of the above

W. Eukarya

70

Use Entner-Doudoroff pathway to metabolize glucose
A. Pseudomonas spp.
B. Escherichia coli
C. Eukarya
D. Saccharomyces cerevisiae
E. None of the above

A. Pseudomonas spp.

71

Microbes with long-chain isoprenoid compounds in membranes
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

A. Archaea

72

Necessary for yogurt, Swiss cheese, sour kraut
A. members of Actinobacteria
B. members of Eumycota
C. slime molds
D. Lactic acid bacteria
E. None of the above

D. Lactic acid bacteria

73

Necessary for yogurt, Swiss cheese, sour kraut
Z. Archaea
AA. Bacteria
BB. Eukarya
CC. Non-cellular, infectious entities
DD. None of the above

AA. Bacteria

74

Azotobacter, Pseudomonas
A. Enterobacteriaceae
B. Pseudomonadales
C. Phylum Ascomycota
D. Phylum Firmicutes
E. Phylum Actinobacteria

B. Pseudomonadales

75

Prokaryotes that have hyphae and spores that look like those of fungi
A. members of Actinobacteria
B. members of Eumycota
C. slime molds
D. Lactic acid bacteria
E. None of the above

A. members of Actinobacteria

76

Aflatoxin, LSD, mycotoxins are found in
A. Archaea
B. Bacteria
C. Eukarya
D. Non-cellular, infectious entities
E. None of the above

eukarya

77

Serratia, Klebsiella, Proteus, Escherichia
A. Enterobacteriaceae
B. Pseudomonadales
C. Phylum Ascomycota
D. Phylum Firmicutes
E. Phylum Actinobacteria

Enterobacteriaceae

78

Bacillus, Clostridium, Staphylococcus
A. Enterobacteriaceae
B. Pseudomonadales
C. Phylum Ascomycota
D. Phylum Firmicutes
E. Phylum Actinobacteria

D. Phylum Firmicutes

79

Collagenase, coagulase, elastase are all
A. enzymes
B. virulence factors for some bacteria
C. proteins
D. heat labile
E. all of the above

all

80

Fungi and algae can reproduce asexually by numerous mechanisms, or can be cultured from thallus fragments; one term that applies to them all is
A. propagules
B. conidia
C. arthrospores
D. zoospores
E. chlamydospores

propagules

81

Fungi can
A. establish symbiotic relationships with algae and cyanobacteria.
B. prey on roundworms by capturing them.
C. digest lignin in wood.
D. synthesize LSD
E. do all of the above.

all

82

The “water molds” of OOmycota are studied by mycologists; however, they are now classified with algae because
A. they have cellulose cell walls.
B. they have chloroplasts.
C. their 18S-rRNA gene sequences are close to those of other algae.
D. they were unhappy as fungi.
E. both A and C.

both A and C.

83

Some fungi change between a single-celled form and a filamentous form; this is called
A. haploid-diploid transition.
B. yeast-mold dimorphism.
C. sexual-asexual dichotomy.
D. transformation.
E. mycology

yeast-mold dimorphism.

84

Members of the genera Rickettsia, Coxiella and Chlamydia
A. are cellular organisms.
B. like viruses, have either RNA or DNA, but never both.
C. are obligate intracellular parasites of animals because they cannot make their own ATP without help of a eukaryotic cell.
D. are all of the above.
E. are all of the above except B and D.

are all of the above except B and D.

85

Thiobacillus thioxidans is
A. a member of Domain Bacteria.
B. a chemolithotroph.
C. extremely acid tolerant.
D. able to oxidize elemental sulfur to sulfate.
E. all of the above.

all

86

Which PHYLUM contains the largest number of known species of Bacteria?
A. Firmicutes
B. Archaea
C. Deinococcus-Thermus
D. Proteobacteria
E. Gammaproteobacteria

Proteobacteria

87

Pseudomonas, Escherichia, Neisseria are all in Domain Eukarya

F

88

Protozoa, fungi, algae are Bacteria

f

89

Archaea have 16S-ribosomalRNA genes AND ester-linked fatty acids in cell membranes

f

90

Bifidobacterium spp. colonizes the gut of milk-fed children

t

91

The common cold is caused by one species of virus

f

92

Propionobacterium spp. are associated with acne and body odor

t

93

Members of the Apicomplexa are typically non-motile

t

94

Kelps are often considered eukaryotic algae

t

95

Tuberculosis and leprosy are fulminating diseases that progress rapidly

f

96

Prophage DNA can be carried integrated into the host (bacterium) chromosome OR in an independently replicating plasmid

f

97

Coenocytic hyphae occur in the Zygomycota

t

98

.Pyrogenic bacteria are usually gram positive

t

99

Enveloped viruses may be inducted into the cell by pinocytosis

f

100

Some insects such as ants and beetles farm fungi for food. .

t

101

Exposure of some viruses to diethylether destroys their ability to infect their animal host cells. Such viruses usually have a peplos

t

102

18S rRNA gene sequencing can be used to classify members of Domain Archaea

f

103

Members of the Kingdom Fungi have cell walls made of cellulose

f

104

Animal viruses inject their nucleic acids into the host cell in a manner similar to that of bacteriophages.

t

105

A virus that produces reverse transcriptase causes Rous (Avian) Sarcoma .

t

106

Physarum polycephalum is a true plasmodial slime mold

t

107

Sporozoans are the same group of protozoa as members of the Apicomplexa

t

108

The disease diphtheria is caused by lysogenic bacteria

t

109

The Oomycota are classically studied with fungi but do not belong within Kingdom Fungi

t

110

Slime molds are classified in the Eumycota. (Myxmycota

f

111

Some fungi trap nematodes (roundworms) and digest them for food

t

112

Endotoxins produced by gram-negative bacteria are often heat-labile proteins

f

113

The RNA of minus-stranded RNA viruses can function as mRNA

t

114

Water molds of the Oomycota have cell walls made of chitin

f

115

Corynebacterium diphtheriae is not pathogenic unless it is lysogenic

t

116

Herpes infections are effectively treated with antibiotics.

f

117

Yeast-mold dimorphism occurs in the eukaryotic protozoa

f

118

Flagella, cilia, and pseudopodia are all mechanisms of motility in species of protozoa.

t

119

Algae include organisms that are millions of times larger than bacteria

t

120

Coenocytic hyphae occur in the Ascomycota

f

121

Enveloped viruses may bud into the host cell or be inducted into the cell by pinocytosis.

f

122

Penicillium spp. typically produce only asexually

t

123

A virus that produces reverse transcriptase causes AIDS

t

124

Diptheria produces a “pseudomembrane” in the throat that has led to its characterization as a “strangling” disease.

t

125

Zoonotic diseases are causes by microorganisims that have non-human animal reservoirs

t

126

Exotoxins produced by gram-positive bacteria are often heat-labile proteins.

t

127

High concentrations of iron are essential to production of diphtheria toxin.

t

128

Microorganisms that produce agar and carageenan are fungi

f

129

Diatomaceous earth is composed of the silica skeletons (frustules) of algae

t

130

BOTH fungi and algae may be single-celled microscopic forms or complex multi-celled, macroscopic organisms that are some of the largest organisms on earth.

T

131

Phycocyanin and phycoerthrin are accessory pigments that contribute to the color of algae.

T

132

Chrondrus crispis is an algae that produces a sulfated polysaccharide known as carageenan.

T

133

All low G+C gram-positive Bacteria stain gram-positively

F

134

. Some soil bacteria produce melanin, the same pigment that protects cells of humans from damage by UV radiation

T

135

Bdellovibrio bactivorus prey on Escherichia coli.

T

136

the order of taxonomic ranks from the smallest to largest

Strain, sepecies, genus, family, order, class phylum, kingdom, domain

137

which is the phylum with the domain Archaea
A, crenarchaeota
methanogen
deinococcus

crenarchaeota

138

halobacterium salinarium is a member of which phylum

euryarchaetoa

139

which is the current bible of prokaryotic taxonomy

bergeys manual of systematic bacteriology

140

hyperthemophilic prokaryotes( growth aprox. 85 to 100C) are most common

A.within domain archaea
B.within domain bacteria
c. phylum cyanobacteria
d. both a and b

a and b

141

some archaea produce which gas as a result of reduction of sulfer

H2S

142

which microbe utilize a purple photosynthetic pigment known as bacteriohodopsin

halobacterium salinarium

143

which of the below is infamous as the cause of necrotic skin and flesh lesion

vibrio vulnificus

144

which of the below is a member of the low G+C gram positive bacteria, but stains gram negatively and has no ridid cell wall

mollicutes

145

which of the below often has filamentous morphology

the actinomycetes

146

which of the below bacteria include most of the known sulfate reducing prokaryotes

deltaproteobacteria

147

presence of a gram positive acid fast rod in your sputum suggests that

you may have tuberculosis

148

azotobacter vinelandii is

diazotroph
cyst former
member of phylum proteobacteria
penut shaped

149

etiological agents of leprosy, diphtheria, tuberculosis are

in phylum actinobacteria

150

shigella, salmonella, serratia, klebsiella are in which group

enterobacteriales

151

bdellovibrio bactivorus

preys on escherichia coli
is a bacterium
is an obligate intracellular paracite

152

which gram-positive anaerobic rod causes true food poising

clostridium botulinum

153

propionbacterium

phylum actinobacteria
contrubutes to body oder
cause acne
cheese flavors

154

DNAPL pollutants that are in an aquifer

sink to the bottom of the water

155

phycocyanin, phycoerythrin and fucoxanthin are

pigments found in algae

156

which of the beloow belongs within a diviion of fungi AND is/are likely to have sex right on your slice of bread

rhizopus stolonifera

157

circular permutatuion and terminal redundancy are phenomena that occur in

genomes of T bacteriophage

158

which is a member of kingdom fungi

basidiomycota

159

which of the below is prokaryotic

archaea

160

photosythetic bacteria and eukaryituc algae have been grouped by phrenetic, artificial and clasical taxonomy by which charateristic

pigment complement

161

Azotobacter vinelandii

A. diazotroph
B. autotroph
C. Proteobacteria
D. All of the above

162

Bradyrhizobium japonicum

A. forms a nitrogen-fixing symbiosis with soybeans

D. may grow chemolithotrophically as well as heterotrophically

163

Divisions Rhodophyta and Phaeophyta include very large “micro” organisms that are commonly called which of the below?

kelps

164

Which of the below is cellular but cell-wall-less?

slime molds,A. Mycoplasma

165

Malaria is

A. caused by a protozoan.
B. has a mosquito vector.
C. caused by Plasmodium spp.
D. all of the above.

166

Clostridia

A. produce chlorophyll under aerobic conditions

167

Which of the below include eukaryotes with no discernable mode of sexual reproduction?

A. Deuteromycota
B. Fungi Imperfecti
C. Aspergillus flavus, Penicillium notatum

168

Zika is which of the below?

A. ssRNA plus stranded virus related to yellow fever and dengue fever

169

Zika is associated with which of the below?

B. microcephaly in fetuses, and subsequent birth defects.

170

Prions are of medical significance because they cause chronic neurological disease in

A. domestic animals and humans.

171

Herpes simplex Type 1 infections are often harbored in a latent condition within

A. the trigeminal neural ganglia.

172

Kinetics of lytic bacteriophage infection and “burst size”

A. Delbrück and Ellis

173

Contributed to classification scheme for streptococci

A. Rebecca Lancefield

174

Which of the below Bacteria include the vast majority of sulfate-reducing prokaryotes?

Deltaproteobacteria

175

Presence of an intracellular gram-negative diplococcus in your penile or vaginal exudates strongly suggests that

A. you have gonorrhea.

176

Necessary for yogurt, Swiss cheese, sauerkraut

A. Bacteria

177

Azotobacter, Pseudomonas

A. Pseudomonadales

178

Carleton Gadjusek

A. is an MD who won a Nobel Prize for epidemiological work on the etiogical agent of Kuru .
B. was scandalized as a pedophile.
C. suggested that the Fore people of New Guinea quit eating the brains of deceased relatives.
D. is all of the above.

179

Methanococcus, Halobacterium, Sulfolobus

archea

180

Prokaryotic systematics is described in __________ (how many) volumes of the current Bergey’s Manual

5

181

Hyperthermophilic prokaryotes (growth optima approx. 85°C to 100°C) are common

A. within Domain Archaea
B. within Domain Bacteria but restricted to ancient phyla of Aquificae and Thermotogae.
C. A and B.

182

Known members of Domain Archaea

re often obligate anaerobes.
B. have been used to track source of fecal pollution in waters.
C. A and B.

183

Which microbe(s) utilize(s) a purple photosynthetic pigment known as bacteriorhodopsin to grow photoautotrophically?

A. Halobacterium salinarium

184

Gas vacuoles

A. allow prokaryotes in a water column to float at optimal distance within light and other gradients.
B. are single layer unit-membrane bound entities within many aquatic prokaryotes.
C. contribute to reflected light spectra that can be remotely sensed during “harmful algal blooms.”

185

Which class(es) within Phylum Proteobacteria include(s) nitrifying bacteria?

A. Alphaproteobacteria
B. Betaproteobacteria
C. Gammaproteobacteria

186

Which PHYLUM contains the largest number of known and cultured species of Domain 3Bacteria?

A. Proteobacteria

187

Bdellovibrio bacterivorus is which of the below?

A. Predator of Escherichia coli
B. Member of Class Deltaproteobacteria
C. An obligate intracellular parasite
D. Member of domain Bacteria
E. All of the above

188

Hepatitis viruses A and E are typically transmitted via

A. polluted water.

189

Which is typically serologically typed using flagellar H and O-antigens?

A. Salmonella spp.

190

Which are soil bacteria that frequently produce antibiotics

A. Streptomyces spp.

191

Which of the below is a Low G+C gram-positive bacterium that has no cell walls and stains gram negatively?

B. Class Mollicutes

192

Which group of microorganisms is the most commonly studied phytopathogen?

fungi

193

Which is NOT a species within the genus Clostridium?

A. C. diphtheriae

194

Which genus produces cheeses we know as blue/bleu, camembert, and brie?

A. Penicillium

195

Hepatitis viruses B, C and D are typically transmitted via

B. the serum of infected humans.
C. unprotected sex.
D. intravenous drug use.

196

Etiological agents of African sleeping sickness, malaria, amebic dysentery

A. Protozoa

197

Cause of scrapie, Kuru, Mad Cow, Creutzfedt-Jakob

prions

198

Viruses for which there is no known disease are often

A. orphans.

199

Etiological agents of poliomyelitis, dengue fever, yellow fever, rabies

A. viruses

200

The classic one-step growth curve experiment that revealed the time course of virus infection of a cell. Which is true about it?

A. Performed by Delbrück and Ellis
B. Dealt with bacteriophage
C. Elucidates “burst size,” i.e., number of virions released
D. All of the above

201

Stanley Prusiner .

A. won a Nobel Prize for unveiling the nature of prions

202

Varicella zoster is a Herpes virus that

A. causes chicken pox.
B. may cause a sequela known as shingles.
C. is A and C of the above.

203

Epstein-Barr Virus, Human Herpesvirus 8 and Human papillomavirus all

A. are implicated as causes of human cancer.

204

Circular permutation of DNA sequences

A. occurs in T coliphage viruses

205

fungi

have chitin as cell walls

206

The nucleic acid contained in  (lambda) virions is which of the below?

A. linear dsDNA with cohesive ends

207

Described infectious proteinaceous entities that apparently contain no nucleic acids

A. Stanley Prusiner

208

Which is NOT a type of nucleic acid found in animal viruses?

A. single stranded DNA polypetides

209

Diatoms

A. have silica skeletons.
B. are members of the Chrysophyta.
C. provide materials for filters and abrasives.
D. have cells with a bilateral symmetry.
E. are all of the above.

210

As an infant, Stephen Colbert’s large intestine was most likely first colonized by which of the below?

A. bacteria
B. Bifidobacterium spp.
C. A and B

211

IF—and I am just speculating here—Stephen Colbert had evolved high enough to be a prokaryotic microbe, he might have enhanced metabolic and genetic capabilities. However, NOW his current status (as Homo sapiens) limits those qualities or capabilities. What might he do now?

A. survive as a heterotrophic organism
B. vertically transfer the genes of Stephen Colbert to his offspring
C. A and B only

212

Stephen Colbert shares the following characteristic(s) with which of the below?

A. High 18S rRNA gene sequence homology with those of fungi
B. Heterotrophic bacteria, i.e., he cannot photosynthesize, or autotrophically assimilate his carbon from carbon dioxide.
C. B and C

213

Stephen Colbert is related phylogenetically most closely to which of the below?

fungi

214

Stephen Colbert’s brain is smaller than the largest species of Basidiomycota, as exemplified by the puffball mushrooms.

T

215

Entire corpus of Stephen Colbert is larger than the largest species of Division Phaeophyta, the brown kelps.

F

216

Entire corpus of Stephen Colbert is larger than the largest species of Division Rhodophyta, the red kelps.

T

217

Although most members of the Pseudomonadales have aerobic respiratory metabolism, some can use nitrate as a terminal electron acceptor

T

218

At least one genus of the “Low G+C Gram-Positive Bacteria” stains gram-negatively and is photosynthetic.

T

219

Some soil bacteria produce melanin, the same pigment that protects cells of humans from damage by UV radiation

T

220

Marine microbes often biodegrade agar

T

221

Organisms that produce agar and carageenan are fungi.

F

222

Diatomaceous earth is composed of the silica skeletons (frustules) of algae.

T

223

The RNA of “plus-stranded” RNA viruses can function in a manner analogous to mRNA, i.e., it can be translated directly into polypeptide

T

224

Yeast-mold dimorphism occurs in the eukaryotic protozoa.

F

225

Corynebacterium diphtheriae is not pathogenic unless it is harbors DNA from a bacteriophage virus.

T

226

Helicobacter pylori is the etiological agent for gastric ulcers AND is considered by the World Health Organization as a cause of stomach cancer

T

227

SARS, common cold, measles and chicken pox are all diseases effectively controlled with multiple antibiotics

F

228

Exposure of some viruses to diethylether destroys their ability to infect their animal host cells. Such viruses usually have a lipid peplos

T

229

Induction” of a lysogenic strain of bacteria results in conversion to a lytic condition that kills the host cell.

T

230

Most animal viruses inject their nucleic acids into the host cell in a manner similar to that of bacteriophages.

F

231

Flagella, cilia, and pseudopodia are all mechanisms of motility in species of protozoa.

T

232

The DPT vaccine I talked about at least three times protects against bacterial diseases, the etiological agents of which have the below respective gram reactions.

A. +/-/+

233

The DPT vaccine I talked about at least three times protects against bacterial diseases, the etiological agents of which are currently assigned to which respective bacterial phyla (Phylum level).

B. Actinobacteria/ Proteobacteria/ Firmicutes

234

Fungi and algae can reproduce asexually by numerous mechanisms, or can be cultured from thallus fragments; one term that applies to them all is

D. propagules

235

The etiological agent of malaria is

A. a protozoan.
B. an ampicomplexan / sprozoan.
C. caused by Plasmodium spp.

236

Eating foods that contain beneficial microorganisms

C. Is using probiotics

237

Which of the below are members of the Eumycota, or True Fungi?

Ascomycota

238

Contributed to a classification scheme for bacteria that are low-G+C and include pathogens such as streptococcal pneumonia and strep throat

A. Rebecca Lancefield

239

Necessary for penicillin, griseofulvin, cyclosporin

C. Eukarya

240

The ORDER than includes the genera Azotobacter and Pseudomonas

Pseudomonadales

241

Methanobrevibacterium smithii

A. is within Domain Archaea.
B. is a methanogen.
C. has been used to track source of fecal pollution in waters

242

Which Domain(s) utilize(s) a he photosynthetic pigment known as bacteriorhodopsin to grow photoautotrophically and tolerates saturating concentrations of NaCl?

archea

243

Which of the below groups of microbes has the fewest number of known species?

archaea

244

Which CLASS contains the largest number of known and cultured species of Domain Bacteria?

gammaproteobacteria

245

Which are soil bacteria that frequently produce antibiotics

actinobacteriaeria

246

Which group ofstudied phytopathogen?

D. Fungi

247

Which of the below is prokaryotic and utilizes methane as a C source

E. methylotrophs

248

The title of the current mullti-volume text describing prokaryotic taxonomy is

C. Bergey’s Manual of Systematic Bacteriology, 2nd Edition

249

Fungi

A. are comprised of eukaryotic cells

250

Developed genetically engineered “Ice-Minus” pseudomonads that protect against freezing damage in citrus crops

A. Steven Lindow

251

Which term is a clinical term often used for “tomycoses?”

D. tineas

252

Which is associated with acne and body odor in humans

D. Propionibacterium acnes

253

Classical taxonomic guru for Kingdom Fungi

A. Constantine Alexopoulos

254

Studied lsd Mountain Spotted Fever, Typhus Fever

D. Howard Taylor Ricketts

255

Aflatoxin, LSD, and other mycotoxins are found exclusively in

kingdom fungi

256

The microbiological significance of “Beaver Fever” is that it is

A. caused by Giardia lamblia.
B. caused by a protozoan.
C. a water-borne gastrointestinal disease.
D. all of the above.

257

Fungi that prey on nematodes are surely

D. heterotrophs

258

Wrote “Introductory Mycology”—a classical text.

C. Constantine John Alexopoulos

259

“nu” cell division

A. is characteristic of some “High G+C Gram Positive Bacteria.”
B. occurs in Corynebacterium diphtheriae.

260

Which property is NOT found in Kingdom Fungi

E. endotoxins and photosynthese

261

Ascomycota, Basidiomycota, Zygomycota

fungi

262

The order of taxonomic ranks from smallest to largest is

D. strain, species, genus, family, order, class, phylum, kingdom, domain

263

The average human brain is smaller than the largest species of Basidiomycota, as exemplified by the puffball mushrooms.

T

264

18S rRNA gene sequencing can be used to classify members of Kingdom Fungi

T

265

Some actinomycetes produce geosmin, an aromatic organic compound that provides soil with its “earthy” smell.

t

266

Organisms that produce agar and carageenan are protozoa.

F

267

Algae include organisms that are millions of times larger than bacteria.

t