Exam 3 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Zika is which of the below?
A. Low G+C Gram Positive Bacterium
B. dsDNA bacteriophage
D. ssRNA plus straded virus related to yellow fever and dengue fever
E. A new health/energy drink that incorporates lactic acid bacteria

A

D. ssRNA plus straded virus related to yellow fever and dengue fever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Zika is associated with which of the below?
A. prions
B. microcephaly in fetuses, and subsequent birth defects
C. fungi that do not reproduce sexually
D. the one-step growth experiment
E. Louis Pasteur and Robert Koch

A

B. microcephaly in fetuses, and subsequent birth defects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Fungi can
A. establish symbiotic relationships with algae and cyanobacteria
B. cause ringworm
C. digest lignin in wood
D. synthesize LSD (lysergic acid diethylamide)
E. do all of the above

A

E. do all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
Which term means "the study of algae?"
A. mycology
B. phycology
C. antinomycetology
D. scientology
E. pornography
A

B. phycology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Bradyrhizobium japonicum
A. forms a nitrogen-fixing symbiosis with soybeans
B. is a fast growing member of Rhizobiaceae
C. is a gram-positive coccus
D. may grow chemolithotrophically as well as heterotrophically
E. Both A and D

A

E. Both A and D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Stephen Colbert shares the following characteristics with which of the below?
A. he is an obligate anaerobe, like Clostridium spp. or Bifidobacterium spp. So he never needs to actually breathe… as you can see if you watch him
B. high 18S rRNA gene sequence homology with those fungi
C. heterotrophic bacteria, i.e. he cannot photosynthesize, or autotrophically assimilate his carbon from carbon dioxide
D. B and C
E. Identical DNa sequence homology with Justin Bieber
F. Stephen Colbert shares only with himself

A

D. B and C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
Stephen Colbert is related phylogenetically  most closely to which of the below?
A. Archaea 
B. Bacteria
C. eukaryotic algae
D. Fungi
E. pond scum
A

D. fungi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which is/are characteristics of members of the Pseudomonas spp.?
A. polar flagella
B. fluorescent soluble pigments released into media
C. Enter-Doudoroff
D. Gram negative, non-spore formers
E. All of the above

A

E. All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
What is the term used to describe Bacteria that can use methane or methanol as a carbon source?
A. methanogen 
B. methylotroph
C. diazotroph
D. autotroph
E. auxotroph
A

B. methylotroph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
Bdellovibrio bactivorus
A. is a bacterium
B. is an obligate intracellular parasite
C. preys on E. coli
D. is a member of Phylum Proteobacteria
E. is all of the above
A

E. is all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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. What might he do now/
A. survive as a heterotrophic organism
B. vertically transfer the genes of Stephen Colbert to his offspring
C. chemilitotrophic growth
D. photosynthetic, diazotrophic and methanogenic capabilities
E. A and B only

A

E. A and B only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

As an infant, Stephen Colbert’s large intestine was most likely first colonized by which of the below?
A. bacteria
B. Bifidobacterium spp.
C. fungi
D. algae
E. A and B
F. his family housekeeper/ maid/ nanny/ butler
G. Stephen Colbert himself - he was so into himself even while in his mother’s/father’s womb

A

E. A and B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Fungi in general tend to…
A. prefer lower pH than do most bacteria
B. tolerate higher osmotic pressure environments such as syrups and honey
C. be aerobic and heterotrophic
D. be all of the above
E. be extremophiles in tolerating high temperatures and high pH

A

D. all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
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
A

E. are all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
Which is the most serious class of human mycoses?
A. superficial
B. dermatophytic
C. tineas
D. subcutaneous
E. systemic
A

E. systemic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
Which is NOT a type of nucleic acid found in animal viruses?
A. single stranded DNA polypeptides
B. double stranded RNA
C. single stranded RNA 
D. double stranded DNA
E. single stranded DNA
A

A. single stranded DNA polypeptides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
Described infectious proteinaceous entities that apparently contain no nucleic acids.
A. Twort and D'Herrelle
B. Rebecca Lancefield
C. Steven Lindow
D. Stanley Prusiner
E. Delbruck and Ellis
A

D. Stanley Prusiner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
Ascomycota, Basidiomycota, Zygomycota 
A. Protozoa
B. Bacteria
C. Fungi
D. viruses 
E. Archaea
A

C. Fungi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
Microbes with cellulose cell walls
A. Fungi
B. Eukaryotic algae
C. Bacteria
D. Non-cellular, infectious entities 
E. All of the above
A

B. Eukaryotic algae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
The nucleic acid contained in Lambda virions is which of the below?
A. dsRNA
B. covalently closed circular dsDNA
C. linear dsDNA with cohesive ends
D. circular ssDNA
E. double stranded RNA
A

C. linear dsDNA with cohesive ends

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Fungi…
A. are comprised of prokaryotic cells
B. have chitin as cell walls
C. produce chlorophyll under aerobic conditions
D. are prokaryotes or eukaryotes, depending on the species
E. are obligate anaerobes

A

B. have chitin as cell walls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q
"Snapping" cell division 
A. is characteristic of some "High G+C Gram Positives"
B. occurs in Corynebacterium diptheriae
C. occurs in Psuedomonadales
D. Both A and B
E. None of the above
A

D. Both A and B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Phallus spp.
A. are basidiomycetes
B. have a strong unpleasant odor and are commonly referred to as “stinkhorn fungi”
C. closely resemble the genitalia of a human male
D. are indigenous to Northwest Florida
E. are all of the above

A

E. are all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which of the below is eukaryotic?
A. Ciliphora (e.g., Paramecium, Tetrahymena)
B. Rhizopus stolinifera, Neurospora crassa
C. Giardia spp., Cryptosporidium spp.
D. Chloryphyta, Rhodophyta, Phaeophyta
E. All of the above

A

E. All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which organism has cells that are likely to retain a stain when washed with acid alcohol?
A. bacteria with mycolic acids in their cell walls
B. acid-fast bacteria
C. Mycobacterium tuberculosis
D. All of the above
E. A and B only

A

D. All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
Circular permutation of DNA sequences...
A. occurs in T coliphage viruses 
B. means that the DNA base sequence reads as if the physical DNA is a circular
C. occurs in prions  
D. is A and B only
E. is none of the above
A

A. occurs in T coliphage viruses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Epstein-Barr Virus, Human Herpesvirus 8 and Human papillomavirus all…
A. have double stranded RNA genomes
B. are single-stranded DNA viruses
C. are implicated as causes of human cancer
D. are T-type bacteriophages
E. have both DNA and RNA

A

C. are implicated as causes of human cancer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q
Wrote "Introductory Mycology"- a classical text
A. Thomas Brock, Dave Ward 
B. Constantine John Alexopoulos 
C. Howard Temin, David Baltimore
D. Steven Lindow
E. Selman Waksman
A

B. Constantine John Alexopoulos

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
The amoeboid cells of Dictyostelium discoideum swarm toward an "I cell" attracted by the release of...
A. 3',5'-cyclic adenosine monophosphate 
B. "Acrasin"
C. a pheromone 
D. all of the above
E. steroid hormones
F. really sexy-smelling perfume
A

D. all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
Which genus below is claimed by both botanists and zoologists?
A. Chlorella 
B. Euglena
C. Neurospora
D. Agaricus
E. Candida
A

B. Euglena

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Dermatophytic fungi obtain carbon and nitrogen principally by
A. CO2 and N2 fixation
B. symbiotic relationships with the animal host
C. symbiotic relationship with skin bacteria
D. digestion of keratin, the principle protein of skin, nails and hair
E. any one of the above, but not at the same time

A

D. digestion of keratin, the principle protein of skin, nails and hair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Varicella zoster is a Herpes virus that…
A. causes chicken pox
B. is often harbored in a latent condition within the peripheral neurons of the spinal column
C. may cause a sequela known as shingles
D. is harbored in a latent condition in the trigeminal neurons
E. is A and C of the above

A

E. is A and C of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Stanley Prusiner…
A. won a Nobel Prize for epidemiological work on the etiology agent of athletes’ foot
B. spent time working on fungi at University of Texas, Austin
C. won a Nobel Prize for unveiling the nature of prions
D. suggested that the Forge people of New Guinea start eating pizza
E. is married to Joe Biden, Nancy Pelosi , Harry Reed, and John Boehner

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
Cause 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
A

B. Bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
Which Low G+C gram positive is a member of Class Mollicutes and has a characteristic "fried egg" colony, but stains Gram Negative?
A. Mycoplasma pneumoniae
B. Proteus vulgaris
C. E. coli
D. Streptococcus pyogenes
E. Corynbacterium diptheriae
A

A. Mycoplasma pneumoniae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

The classic one-step growth curve experiment that revealed the time course of virus infection of cell. Which is true about it?
A. Performed by Delbruck and Ellis
B. Dealt with bacteriophage
C. Elucidates “burst size,” i.e., number of virions released
D. All of the above
E. Dealt with infection of eukaryotic animal cells by HIV

A

D. All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

The microbiological significance of “Beaver Feaver” 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
E. a prion-caused obsessive-compulsive disorder of human males

A

D. all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q
Aflatoxin, LSD, and other mycotoxins are found exclusively in...
A. Domain Bacteria
B. Kingdom Fungi
C. Domain Archaea 
D. Proteobacteria
E. Non-cellular, infectious entities
A

B. Kingdom Fungi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q
Etiological agents of poliomyelitis, dengue fever, yellow fever, rabies...
A. Archaea 
B. Bacteria
C. Eukarya 
D. prions
E. viruses
A

E. viruses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q
Studied Rocky Mountain Spotted Fever, Typhus Fever...
A. Peyton Rous
B. Louis Pasteur
C. Wendell Stanley
D. Howard Taylor Ricketts
E. Robert Koch
A

D. Howard Taylor Ricketts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
Viruses for which there is no known disease are often termed...
A. orphans
B. good viruses
C. naked viruses
D. temperate viruses
E. viroids
A

A. orphans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q
Which is associated with acne and body odor in humans?
A. Propionibacterium acnes
B. E. coli
C. Bacillus anthracis
D. Mycobacterium avis
E. Frankia alni
A

A. Propionibacterium acnes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q
Which produces a protein exotoxin?
A. Clostridium botulinum 
B. Clostridium tetani
C. Corynebacterium diptheriae
D. All of the above
E. A and B only
A

D. All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q
Which term describes "dematomycoses?"
A. superficial
B. subcutaneous
C. systemic
D. tineas
E. fulminating
A

D. tineas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q
Cause of scrapie, Kuru, Mad Cow, Creutzfedt-Jakob...
A. Archaea
B. Bacteria
C. Prions
D. viruses
E. viroids
A

C. Prions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q
Which category of microbe has been grouped in classical taxonomy based on its pigmentation?
A. cellular slime molds
B. algae
C. fungi
D. protozoa
E. gram negative bacteria
A

B. algae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q
Developed genetically engineered "Ice-Minus" pseudomonads that protect against freezing damage in citrus crops...
A. Delbruck and Ellis
B. Steven Lindow
C. Twort and D'Herrelle
D. Rebecca Lancefield
E. Stanley Prusiner
A

B. Steven Lindow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q
What pathogen mediates prodigious secretion of electrolytes and water into the small intestine?
A. Vibrio cholerae
B. Serratia marcesans
C. Pseudomona aeroginosa
D. Bacillus anthracis
E. Staphylococcus aureus
A

A. Vibrio cholerae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q
Etiological agents of African sleeping sickness, malaria, amoebic dysentery...
A. Protozoa
B. Algae
C. Viruses 
D. Bacteria
E. None of the above
A

A. Protozoa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q
Hepatitis viruses B, C, and D are typically transmitted via...
A. polluted water
B. the serum of infected humans 
C. unprotected sex
D. intravenous drug use
E. all of the above except A
A

E. all of the above except A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q
Which genus produces cheeses we know as blue/bleu, cambert , and brie?
A. Lactobacillus
B. Saccharomyces
C. Neurospora
D. Penicillium
E. Aspergillus
A

D. Penicillium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q
Which is NOT a species within the genus Clostridium?
A. C. deficile
B. C. pateurianum
C. C. botulinum
D. C. tetani
E. C. diphteriae
A

E. C. diphteriae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Terminal redundancy of phage DNA sequences occurs because…
A. of the head-full mechanism of DNA packaging into the virion
B. the DNA is cut from a concatamer of phage genomes
C. the phage capsid can hols more than a complete phage genome
D. phage DNA packaging is just sloppy
E. all except D

A

E. all except D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q
Which of the below is prokaryotic and produces hyphae?
A. viruses
B. slime molds
C. Mycoplasa
D. Actinobacteria
E. Filamentous fungi
A

D. Actinobacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q
Which group of microorganisms is the most commonly studied phytopathogen?
A. Bacteria
B. Archaea
C. Fungi
D. Protozoa
E. Slime molds
A

C. Fungi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q
Which of the below is a Low G+C gram-positive bacterium that has no cell walls and stains gram negatively?
A. S. aureus
B. Bacillus subtilis 
C. Mycoplasma pneumoniae
D. Pseudomonas aeruginosa
E. E. coli
A

C. Mycoplasma pneumoniae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q
Which are soil bacteria that frequently produce antibiotics?
A. Enterobacteriaceae
B. Pseudomonadales
C. Ascomycota
D. Firmicutes
E. Streptomyces spp.
A

E. Streptomyces spp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q
Which is typically serologically typed using flagellar H and O-antigens?
A. Shigella dysenteriae
B. Salmonella spp.
C. Entamoeba histolytica
D. Vibrio cholerae
E. Staphyylococcus aureus
A

B. Salmonella spp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q
Hepatitis viruses A and E are typically transmitted via... 
A. polluted water 
B. the serum of infected humans
C. unprotected sex
D. intravenous drug use
E. all except A
A

A. polluted water

60
Q
Bdellovidrio bacterivorous is which of the below?
A. Predator of E. Coli
B. Member of Class Deltaproteobacteria 
C. An obligate intracellular parasite
D. Member of domain Bacteria
E. All of the above
A

E. All of the above

61
Q
Which phylum contains the largest number of known and cultured species of Domain Bacteria?
A. Proteobacteria
B. Firmicutes 
C. Archaea
D. Deinococcus-Thermus
E. Gammaproteobacteria
A

A. Proteobacteria

62
Q
Which class within Phylum Proteobacteria include nitrifying bacteria?
A. Alphaproteobacteria
B. Betaproteobacteria
C. Gammaproteobacteria
D. Deltaproteobacteria
E. All except D
A

E. All except D

63
Q

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
C. contribute to reflected light spectra that can be remotely sensed during “harmful algal blooms”
D. allow bacterial flatulence to be released harmlessly
E. All except D

A

E. All except D

64
Q

Which microbe(s) utilize(s) a purple photosynthetic pigment known as bacteriorhodopsin to grow photoautotrophically?
A. Anabaena azollae and other cyanobacteria
B. Halabacterium salinarium
C. methanogens
D. Deinococcus
E. All of the above

A

B. Halabacterium salinarium

65
Q

Known members of Domain Archaea…
A. are often obligate anaerobes
B. have been used to track source of fecal pollution in waters
C. are numerous as those of Domains Eukarya and Bacteria
D. are bacteria
E. A and B

A

E. A and B

66
Q

Hyperthermophillic prokaryotes (growth optima approx. 85C to 100C) are common…
A. within Domain Archaea
B. within Domain bacteria but restricted to ancient phyla of Aquificae and Thermotogae
C. within Phylum Cyanobacteria
D. distributed evenly and randomly throughout most prokaryotic phyla
E. A and B

A

E. A and B

67
Q
Prokaryotic systematics is described in \_\_\_ (how many) volumes of the current Bergey's Manuel
A. five 
B. four
C. three
D. two 
E. one
A

A. five

68
Q
Methanococcus, Halobacterium, Sulfolobus are all...
A. Archaea 
B. Bacteria 
C. Eukarya 
D. Non-cellular, infectious entities 
E. None of the above
A

A. Archaea

69
Q

Carleton Gadjusek
A. is an MD who won a Nobel Prize for epidemiology work on the etiology 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
E. is all except B

A

D. is all of the above

70
Q
Azotobacter, Pseudomonas 
A. Enterobacteriacaea
B. Pseudomonadales 
C. Phylum Ascomycota 
D. Phylum Firmicutes 
E. Phylum Actinobacteria
A

B. Pseudomonadales

71
Q
Necessary for yogurt, Swiss cheese, and sauerkraut
A. Archaea 
B. Bacteria 
C. Eukarya 
D. Non-cellular, infectious entities 
E. None of the above
A

B. Bacteria

72
Q

Presence of an intracellular gram-negative diplococcus in your penile or vaginal exudates strongly suggest that…
A. you have syphilis
B. you have gonorrhea
C. Al Gore has been kissing your wife/husband/S-O
D. you have cholera
E. you have a Candida albicans yeast infection

A

B. you have gonorrhea

73
Q
Which of the below Bacteria include the vast majority of sulfate-reducing prokaryotes?
A. Gammaproteobacteria
B. Deltaproteobacteria
C. Archaea
D. Epsilonproteobacteria
E. Actinobacteria
A

C. Archaea

74
Q

Contributed to classification scheme for streptococci
A. Louis Pasteur
B. Al Capone
C. Rebecca Lancefield
D. Steven Lindow
E. Rous, Yersin, Klebs, Freeman, Pappenheimer

A

C. Rebecca Lancefield

75
Q
Kinetics of lytic bacteriophage infection and "burst size"
A. Delbruck and Ellis
B. Twort and D'Harrelle
C. Rebecca Lancefied
D. Steve Lindow
E. Kauffman-White
A

A. Delbruck and Ellis

76
Q
Azotobacter vineladii
A. diazotroph
B. autotroph
C. Proteobacteria
D. All of the above
E. All except B
A

E. All except B

77
Q

Herpes simplex Type 1 infections are often harbored in a latent condition with…
A. the trigeminal neural ganglia
B. the peripheral neurons of the spinal column
C. the submaxillary saliva glands
D. the axial lymph nodes
E. the lips and tongue

A

A. the trigeminal neural ganglia

78
Q
Prions are of medical significance because they cause chronic neurological disease in... 
A. domestic animals and humans
B. plants
C. fungi
D. prokaryotes 
E. protozoa and algae
A

A. domestic animals and humans

79
Q

Clotridia
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

A

D. are obligate anaerobes

80
Q

Clostridia
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

A

D. are obligate anaerobes

81
Q
Thiobacillus thiooxidans 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
A

E. all of the above

82
Q
Malaria is 
A. caused by a protozoan 
B. has a mosquito vector 
C. caused by Plasmodium spp. 
D. all of the above
E. under control by use of antibiotics
A

D. all of the above

83
Q
Which of the below is cellular but cell-wall-less?
A. viruses 
B. slime molds
C. Mycoplasa 
D. Actinobacteria
E. Staphylococci
A

C. Mycoplasa

84
Q
Divisions Rhodophyta and Phaephyta include very large "micro" organisms that are commonly called which of the below?
A. pond scum
B. toadstools
C. harmful algal blooms
D. kelps
E. mushrooms
A

D. kelps

85
Q
Fungi and algae can reproduce asexually by numerous mechanisms, or can be cultured from thallus fragments; one term that applies to all of them is...
A. propagules
B. conidia 
C. arthrospores
D. zoospores
E. chlamydospores
A

A. propagules

86
Q

Which of the below include eukaryotes with no discernible mode of sexual reproduction?
A. Claviceps purpurea, Saccharomyces cerevisiae, Neurospora crassa
B. Aspergillus flavus, Penicillium notatum
C. Streptomyces griseus, Staphylococcus pneumoniae
D. Chlorella, diatoms, Rhodophyta, Phaeophyta
E. Paramecium, Amoeba, Toxoplasma, Entamoeba

A

B. Aspergillus flavus, Penicillium notatum

87
Q

Layered rocks formed by incorporation of mineral sediments into microbial mats

A

Stromatolites

88
Q

Who came up with the current theories on the evolution of prokaryotes based largely on characterization of rRNA sequences?

A

Carl Woese, George Fox, et al. in 1970s

89
Q

Who came up with the Endosymbiosis Hypothesis which claims that endosymbioses was responsible for the origin of mitochondria and chloroplasts ?

A

Lynn Margulis

90
Q

Who determined that all living organisms belong to one of the three domains using the nucleotide sequence of the small subunit ribosomal RNAs?

A

Carl Woese and George Fox

91
Q

Study of organisms with the ultimate object of characterizing and arranging them in an orderly manner.

A

Systematics

92
Q

Taxonomy used to determine the genus and species of a newly discovered prokaryote

A

Polyphasic taxonomy

93
Q

Ending for class

A

-ia

94
Q

Ending for order

A

-iales

95
Q

Ending of family

A

-aceae

96
Q

Strains that digger biochemically and physiologically

A

Biovars

97
Q

Strains that differ morphologically

A

Morphovars

98
Q

Strains that differ in antigenic properties

A

Serovars

99
Q

Who devised the binomial system of nomenclature?

A

Carl von Linne (Carolus Linnaeus)

100
Q

Who devised the numerical taxonomy system ?

A

Sokal and Sneath

101
Q

Who came up with MIDI (Microbial IDentification Inc), a way to identify bacteria based on their fatty acid methyl esters (FAME) ?

A

Myron Sasser

102
Q

Nucleic acids or proteins used as “clocks” to measure amount of evolutionary change over time.

A

Molecular chronometers

103
Q

What is the most powerful and direct method for comparing genomes?

A

Nucleic acid sequencing

104
Q

Bergey’s Manual of _____ Bacteriology was replaced in 1984 by Bergey’s Manual of _____ Bacteriology.

A

Determinative; Systematic

105
Q

Domain best known for growth in anaerobic, hypersaline, pH extremes, and high-temperature habitats

A

Archaea

106
Q

Like Bacteria, Archaea have ___ chromosomes.

A

circular

107
Q

Like Eukarya, Archaea have ___ proteins and ___ introns in few.

A

histone-like; self-splicing

108
Q

Archaea have transcription machinery like ___ (Eukarya or Bacteria).

A

Eukarya

109
Q

Archaea regulate transcription like ___ (Eukarya or Bacteria).

A

Bacteria

110
Q

Who did the Volta Experiment ?

A

Ralph Wolfe

111
Q

Who worked on rumen flora methanogens?

A

Robert Hungate

112
Q

What is the largest group of cultured archaea?

A

Methanogens

113
Q

Most efficient light harvesting complexes found in nature; found in green sulfur bacteria (chlorobi)

A

Chlorosomes

114
Q

Largest, most diverse group of photosynthetic bacteria.

A

Cyanobacteria

115
Q

Causes blue-green pigment in cyanobacteria.

A

Phycocyanin

116
Q

Specialized cells used for nitrogen fixation.

A

Heterocysts

117
Q

Most abundant class of bacteria in oceans.

A

Alphaproteobacteria

118
Q

The largest subgroup of proteobacteria

A

Gammaproteobacteria

119
Q

Causative agent of Legionnaire’s disease

A

L. pneumonphilia

120
Q

Pseudomonas syringae is known for what?

A

Ice minus characteristic (Steve Lindow)

121
Q

Pseudomonas aeruginosa is known for?

A

Causing nosocomial burn infections and lung infections in CF patients

122
Q

Azotobacter spp. can form desiccation-resistant cysts. T or F?

A

True

123
Q

Causes gastroenteritis and skin/flesh infections.

A

Vibrio vulnificus

124
Q

The smallest proteobacterial class

A

Epsilonproteobacteria

125
Q

Won a Nobel Prize for discovering that Helicobacter pylori causes gastritis and peptic ulcer disease.

A

Robin Warren, Barry Marshall

126
Q

Classified as a Class A carcinogen by WHO

A

Helicobacter pylori

127
Q

Actinobacteria are…

A

High G+C gram positives

128
Q

Firmicutes are…

A

Low G+C gram positives

129
Q

How many types of fungi are there?

A

1.5 million

130
Q

Sporosarcina, Clostridium, and Bacillus are all…

A

Endospore-forming gram positive bacteria

131
Q

Causes food poisoning, specifically botulism

A

C. botulinum

132
Q

Causes gas gangrene

A

C. perfringens

133
Q

Alpha hemolysis

A

incomplete hemolysis of red blood cells

134
Q

Beta hemolysis

A

Complete lysis of red blood cells

135
Q

Which species of Streptococcus is beta hemolytic ?

A

S. pyogenes

136
Q

Which species of Steptococcus is alpha hemolytic?

A

S. pneumoniae

137
Q

Which gram positive phylum of bacteria has branched hyphae?

A

Actinomycetes

138
Q

Types of Actinomycete capable of “snapping division”

A

Arthrobacter globiformis

139
Q

Genus responsible for causing tuberculosis and leprosy

A

Mycobacterium

140
Q

Species involved in development of body odor and acne vulgaris

A

Propionibacterium acnes

141
Q

Pioneer colonizer of human intestinal tract

A

Bifidobacterium bifidus

142
Q

Who wrote Physiology of the Fungi?

A

Jackson Foster

143
Q

Also known as pink bread mold; model eukaryotic microorganism

A

Neurospora crassa

144
Q

Also known as sac fungi

A

Ascomycetes

145
Q

Also known as club fungi

A

Basidiomycetes

146
Q

Mycotoxicoses under watch of Dept of Homeland Security

A

Aspergillus flavus, Fusarium spp., Claviceps purpurea, Amanita