Exam 3 Flashcards
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
D. ssRNA plus straded virus related to yellow fever and dengue fever
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
B. microcephaly in fetuses, and subsequent birth defects
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
E. do all of the above
Which term means "the study of algae?" A. mycology B. phycology C. antinomycetology D. scientology E. pornography
B. phycology
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
E. Both A and D
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
D. B and C
Stephen Colbert is related phylogenetically most closely to which of the below? A. Archaea B. Bacteria C. eukaryotic algae D. Fungi E. pond scum
D. fungi
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
E. All of the above
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
B. methylotroph
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
E. is all of the above
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
E. A and B only
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
E. A and B
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
D. all of the above
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
E. are all of the above
Which is the most serious class of human mycoses? A. superficial B. dermatophytic C. tineas D. subcutaneous E. systemic
E. systemic
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. single stranded DNA polypeptides
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
D. Stanley Prusiner
Ascomycota, Basidiomycota, Zygomycota A. Protozoa B. Bacteria C. Fungi D. viruses E. Archaea
C. Fungi
Microbes with cellulose cell walls A. Fungi B. Eukaryotic algae C. Bacteria D. Non-cellular, infectious entities E. All of the above
B. Eukaryotic algae
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
C. linear dsDNA with cohesive ends
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
B. have chitin as cell walls
"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
D. Both A and B
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
E. are all of the above
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
E. All of the above
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
D. All of the above
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. occurs in T coliphage viruses
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
C. are implicated as causes of human cancer
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
B. Constantine John Alexopoulos
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
D. all of the above
Which genus below is claimed by both botanists and zoologists? A. Chlorella B. Euglena C. Neurospora D. Agaricus E. Candida
B. Euglena
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
D. digestion of keratin, the principle protein of skin, nails and hair
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
E. is A and C of the above
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
C. won a Nobel Prize for unveiling the nature of prions
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
B. Bacteria
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. Mycoplasma pneumoniae
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
D. All of the above
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
D. all of the above
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
B. Kingdom Fungi
Etiological agents of poliomyelitis, dengue fever, yellow fever, rabies... A. Archaea B. Bacteria C. Eukarya D. prions E. viruses
E. viruses
Studied Rocky Mountain Spotted Fever, Typhus Fever... A. Peyton Rous B. Louis Pasteur C. Wendell Stanley D. Howard Taylor Ricketts E. Robert Koch
D. Howard Taylor Ricketts
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. orphans
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. Propionibacterium acnes
Which produces a protein exotoxin? A. Clostridium botulinum B. Clostridium tetani C. Corynebacterium diptheriae D. All of the above E. A and B only
D. All of the above
Which term describes "dematomycoses?" A. superficial B. subcutaneous C. systemic D. tineas E. fulminating
D. tineas
Cause of scrapie, Kuru, Mad Cow, Creutzfedt-Jakob... A. Archaea B. Bacteria C. Prions D. viruses E. viroids
C. Prions
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
B. algae
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
B. Steven Lindow
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. Vibrio cholerae
Etiological agents of African sleeping sickness, malaria, amoebic dysentery... A. Protozoa B. Algae C. Viruses D. Bacteria E. None of the above
A. Protozoa
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
E. all of the above except A
Which genus produces cheeses we know as blue/bleu, cambert , and brie? A. Lactobacillus B. Saccharomyces C. Neurospora D. Penicillium E. Aspergillus
D. Penicillium
Which is NOT a species within the genus Clostridium? A. C. deficile B. C. pateurianum C. C. botulinum D. C. tetani E. C. diphteriae
E. C. diphteriae
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
E. all except D
Which of the below is prokaryotic and produces hyphae? A. viruses B. slime molds C. Mycoplasa D. Actinobacteria E. Filamentous fungi
D. Actinobacteria
Which group of microorganisms is the most commonly studied phytopathogen? A. Bacteria B. Archaea C. Fungi D. Protozoa E. Slime molds
C. Fungi
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
C. Mycoplasma pneumoniae
Which are soil bacteria that frequently produce antibiotics? A. Enterobacteriaceae B. Pseudomonadales C. Ascomycota D. Firmicutes E. Streptomyces spp.
E. Streptomyces spp.
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
B. Salmonella spp.