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Which of the following foods is NOT made by fermentation?
beer
bread
cheese
orange juice
orange juice
Who is considered the "father of Western medicine"?
Marcus Terentius Varro
Thucydides
Antonie van Leeuwenhoek
Hippocrates
Hippocrates
Who was the first to observe "animalcules" under the microscope?
Antonie van Leeuwenhoek
Ötzi the Iceman
Marcus Terentius Varro
Robert Koch
Antonie van Leeuwenhoek
Who proposed that swamps might harbor tiny, disease-causing animals too small to see?
Thucydides
Marcus Terentius Varro
Hippocrates
Louis Pasteur
Marcus Terentius Varro
Which of the following was NOT a kingdom in Linnaeus's taxonomy?
animal
mineral
protist
plant
protist
6.
Which of the following is a correct usage of binomial nomenclature? (1-4)
Homo Sapiens
homo sapiens
Homo sapiens
Homo Sapiens
3 Homo Sapiens italic
.
Which scientist proposed adding a kingdom for protists?
Carolus Linnaeus
Carl Woese
Robert Whittaker
Ernst Haeckel
Ernst Haeckel
Which of the following is NOT a domain in Woese and Fox's phylogenetic tree?
Plantae
Bacteria
Archaea
Eukarya
plantae
Which of the following is the standard resource for identifying bacteria?
Systema Naturae
Bergey's Manual of Determinative Bacteriology
Woese and Fox's phylogenetic tree
Haeckel's General Morphology of Organisms
Bergey's Manual of Determinative Bacteriology
Which of the following types of microorganisms is photosynthetic?
yeast
virus
helminth
alga
alga
Which of the following is a prokaryotic microorganism?
helminth
protozoan
cyanobacterium
mold
cyanobacterium
.
Which of the following is acellular?
virus
bacterium
fungus
protozoan
virus
.
Which of the following is a type of fungal microorganism?
bacterium
protozoan
alga
yeast
yeast
Which of the following is not a subfield of microbiology?
bacteriology
botany
clinical microbiology
virology
botany
.
Which of the following has the highest energy?
light with a long wavelength
light with an intermediate wavelength
light with a short wavelength
It is impossible to tell from the information given.
light with a short wavelength
You place a specimen under the microscope and notice that parts of the specimen begin to emit light immediately. These materials can be described as _____________.
fluorescent
phosphorescent
transparent
opaque
fluorescent
Who was the first to describe "cells" in dead cork tissue?
Hans Janssen
Zaccharias Janssen
Antonie van Leeuwenhoek
Robert Hooke
robert hooke
Who is the probable inventor of the compound microscope?
Girolamo Fracastoro
Zaccharias Janssen
Antonie van Leeuwenhoek
Robert Hooke
Zaccharias Janssen
Which would be the best choice for viewing internal structures of a living protist such as a Paramecium?
a brightfield microscope with a stain
a brightfield microscope without a stain
a darkfield microscope
a transmission electron microscope
darkfield microscope
Which type of microscope is especially useful for viewing thick structures such as biofilms?
a transmission electron microscope
a scanning electron microscopes
a phase-contrast microscope
a confocal scanning laser microscope
an atomic force microscope
a confocal scanning laser microscope
.
Which type of microscope would be the best choice for viewing very small surface structures of a cell?
a transmission electron microscope
a scanning electron microscope
a brightfield microscope
a darkfield microscope
a phase-contrast microscope
a scanning electron microscope
What type of microscope uses an annular stop?
a transmission electron microscope
a scanning electron microscope
a brightfield microscope
a darkfield microscope
a phase-contrast microscope
a phase contrast microscrope
What mordant is used in Gram staining?
crystal violet
safranin
acid-alcohol
iodine
iodine
What is one difference between specimen preparation for a transmission electron microscope (TEM) and preparation for a scanning electron microscope (SEM)?
Only the TEM specimen requires sputter coating.
Only the SEM specimen requires sputter-coating.
Only the TEM specimen must be dehydrated.
Only the SEM specimen must be dehydrated.
only sem specimen requires sputter-coating
Which of the following individuals argued in favor of the theory of spontaneous generation?
Francesco Redi
Louis Pasteur
John Needham
Lazzaro Spallanzani
john needman
Which of the following individuals is credited for definitively refuting the theory of spontaneous generation using broth in swan-neck flask?
Aristotle
Jan Baptista van Helmont
John Needham
Louis Pasteur
louis pasteur
Which of the following scientists experimented with raw meat, maggots, and flies in an attempt to disprove the theory of spontaneous generation?
Aristotle
Lazzaro Spallanzani
Antonie van Leeuwenhoek
Francesco Redi
francesco redi
Which of the following individuals did not contribute to the establishment of cell theory?
Girolamo Fracastoro
Matthias Schleiden
Robert Remak
Robert Hooke
girolamo fracastoro
Whose proposal of the endosymbiotic theory of mitochondrial and chloroplast origin was ultimately accepted by the greater scientific community?
Rudolf Virchow
Ignaz Semmelweis
Lynn Margulis
Theodor Schwann
lynn margulis
Which of the following developed a set of postulates for determining whether a particular disease is caused by a particular pathogen?
John Snow
Robert Koch
Joseph Lister
Louis Pasteur
robert koch
Which of the following terms refers to a prokaryotic cell that is comma shaped?
coccus
coccobacilli
vibrio
spirillum
vibrio
Which bacterial structures are important for adherence to surfaces? (Select all that apply.)
endospores
cell walls
fimbriae
capsules
flagella
fimbriae + capsules
Which of the following cell wall components is unique to gram-negative cells?
lipopolysaccharide
teichoic acid
mycolic acid
peptidoglycan
lipopolysaccharide
Which of the following terms refers to a bacterial cell having a single tuft of flagella at one end?
monotrichous
amphitrichous
peritrichous
lophotrichous
lophotrichous
.
Bacterial cell walls are primarily composed of which of the following?
phospholipid
protein
carbohydrate
peptidoglycan
peptidoglycan
.
Which of the following organelles is not part of the endomembrane system?
endoplasmic reticulum
Golgi apparatus
lysosome
peroxisome
peroxisome
Which type of cytoskeletal fiber is important in the formation of the nuclear lamina?
microfilaments
intermediate filaments
microtubules
fibronectin
intermediate milaments
Sugar groups may be added to proteins in which of the following?
smooth endoplasmic reticulum
rough endoplasmic reticulum
Golgi apparatus
lysosome
golgi apparatus
.
Which of the following structures of a eukaryotic cell is not likely derived
from endosymbiotic bacterium?
mitochondrial DNA
mitochondrial ribosomes
inner membrane
outer membrane
outermembrane
Which type of nutrient uptake involves the engulfment of small dissolved molecules into vesicles?
active transport
pinocytosis
receptor-mediated endocytosis
facilitated diffusion
pinocytosis
Which of the following is not composed of microtubules?
desmosomes
centrioles
eukaryotic flagella
eukaryotic cilia
desmonsomes
The term prokaryotes refers to which of the following?
very small organisms
unicellular organisms that have no nucleus
multicellular organisms
cells that resemble animal cells more than plant cells
unicellular organisms that have no nucleus
The term microbiota refers to which of the following?
all microorganisms of the same species
all of the microorganisms involved in a symbiotic relationship
all microorganisms in a certain region of the human body
all microorganisms in a certain geographic region
all microorganisms in a certain region of the human body
3.
Which of the following refers to the type of interaction between two prokaryotic populations in which one population benefits and the other is not affected?
mutualism
commensalism
parasitism
neutralism
commensalism
Which of the following describes Proteobacteria in domain Bacteria?
phylum
class
species
genus
phylum
5.
Which of the following Alphaproteobacteria is the cause of Rocky Mountain spotted fever and typhus?
Bartonella
Coxiella
Rickettsia
Ehrlichia
Brucella
bartonella
.
Class Betaproteobacteria includes all but which of the following genera?
Neisseria.
Bordetella.
Leptothrix.
Campylobacter.
campylobacter
.
Haemophilus influenzae is a common cause of which of the following?
influenza
dysentery
upper respiratory tract infections
hemophilia
upper respiratory tract infections
Which of the following is the organelle that spirochetes use to propel themselves?
plasma membrane
axial filament
pilum
fimbria
axial filament
Which of the following bacteria are the most prevalent in the human gut?
cyanobacteria
staphylococci
Borrelia
Bacteroides
Bacteroides
.
Which of the following refers to photosynthesis performed by bacteria with the use of water as the donor of electrons?
oxygenic
anoxygenic
heterotrophic
phototrophic
oxygenic
.
Which of the following bacterial species is classified as high G+C gram-positive?
Corynebacterium diphtheriae
Staphylococcus aureus
Bacillus anthracis
Streptococcus pneumonia
Corynebacterium diphtheriae
.
The term "deeply branching" refers to which of the following?
the cellular shape of deeply branching bacteria
the position in the evolutionary tree of deeply branching bacteria
the ability of deeply branching bacteria to live in deep ocean waters
the pattern of growth in culture of deeply branching bacteria
the position in the evolutionary tree of deeply branching bacteria
Which of these deeply branching bacteria is considered a polyextremophile?
Aquifex pyrophilus
Deinococcus radiodurans
Staphylococcus aureus
Mycobacterium tuberculosis
Deinococcus radiodurans
.
Archaea and Bacteria are most similar in terms of their ________.
genetic
cell wall structure
ecology
unicellular structure
unicellular structure
Which of the following is true of archaea that produce methane?
They reduce carbon dioxide in the presence of nitrogen.
They live in the most extreme environments.
They are always anaerobes.
They have been discovered on Mars.
They live in the most extreme environments.
Which genus includes the causative agent for malaria?
Euglena
Paramecium
Plasmodium
Trypanosoma
Plasmodium
.
Which protist is a concern because of its ability to contaminate water supplies and cause diarrheal illness?
Plasmodium vivax
Toxoplasma gondii
Giardia lamblia
Trichomonas vaginalis
Giardia lamblia
fluke is classified within which of the following?
Nematoda
Rotifera
Platyhelminthes
Annelida
Platyhelminthes
.
A nonsegmented worm is found during a routine colonoscopy of an individual who reported having abdominal cramps, nausea, and vomiting. This worm is likely which of the following?
nematode
fluke
trematode
annelid
nematode
A segmented worm has male and female reproductive organs in each segment. Some use hooks to attach to the intestinal wall. Which type of worm is this?
fluke
nematode
cestode
annelid
cestode
Mushrooms are a type of which of the following?
conidia
ascus
polar tubule
basidiocarp
basidiocarp
Which of the following is the most common cause of human yeast infections?
Candida albicans
Blastomyces dermatitidis
Cryptococcus neoformans
Aspergillus fumigatus
Candida albicans
Which of the following is an ascomycete fungus associated with bat droppings that can cause a respiratory infection if inhaled?
Candida albicans
Histoplasma capsulatum
Rhizopus stolonifera
Trichophyton rubrum
Histoplasma capsulatum
Which polysaccharide found in red algal cell walls is a useful solidifying agent?
chitin
cellulose
phycoerythrin
agar
agar
Which is the term for the hard outer covering of some dinoflagellates?
theca
thallus
mycelium
shell
theca
.
Which protists are associated with red tides?
red algae
brown algae
dinoflagellates
green algae
dinoflagellates
You encounter a lichen with leafy structures. Which term describes this lichen?
crustose
foliose
fruticose
agarose
foliose
Which of the following is the term for the outer layer of a lichen?
the cortex
the medulla
the thallus
the theca
the cortex
The fungus in a lichen is which of the following?
a basidiomycete
an ascomycete
a zygomycete
an apicomplexan
an ascomycete
.
The component(s) of a virus that is/are extended from the envelope for attachment is/are the:
capsomeres
spikes
nucleic acid
viral whiskers
.
Which of the following does a virus lack? Select all that apply.
ribosomes
metabolic processes
nucleic acid
glycoprotein
ribosomes + metabolic processes
The envelope of a virus is derived from the host's
nucleic acids
membrane structures
cytoplasm
genome
membrane structures
In naming viruses, the family name ends with ________ and genus name ends with _________.
−virus; −viridae
−viridae; −virus
−virion; virus
−virus; virion
virdae + virus
What is another name for a nonenveloped virus?
enveloped virus
provirus
naked virus
latent virus
naked virus
.
Which of the following leads to the destruction of the host cells?
lysogenic cycle
lytic cycle
prophage
temperate phage
lytic cycle
A virus obtains its envelope during which of the following phases?
attachment
penetration
assembly
release
release
Which of the following components is brought into a cell by HIV?
a DNA-dependent DNA polymerase
RNA polymerase
ribosome
reverse transcriptase
reverse transcriptase
A positive-strand RNA virus:
must first be converted to a mRNA before it can be translated.
can be used directly to translate viral proteins.
will be degraded by host enzymes.
is not recognized by host ribosomes.
can be used directly to translate viral proteins.
What is the name for the transfer of genetic information from one bacterium to another bacterium by a phage?
transduction
penetration
excision
translation
transduction
Which of the followings cannot be used to culture viruses?
tissue culture
liquid medium only
embryo
animal host
liquid medium only
Which of the following tests can be used to detect the presence of a specific virus?
EIA
RT-PCR
PCR
all of the above
all of the above
Which of the following is NOT a cytopathic effect?
transformation
cell fusion
mononucleated cell
inclusion bodies
mononucleated cell
Which of these infectious agents do not have nucleic acid?
viroids
viruses
bacteria
prions
prions
Which of the following is true of prions?
They can be inactivated by boiling at 100 °C.
They contain a capsid.
They are a rogue form of protein, PrP.
They can be reliably inactivated by an autoclave.
they are a rogue form of protein PrP
Which of these elements is not a micronutrient?
C
Ca
Co
Cu
c
Which of the following is the name for molecules whose structures are nonsuperimposable mirror images?
structural isomers
monomers
polymers
enantiomers
enamtiomers
By definition, carbohydrates contain which elements?
carbon and hydrogen
carbon, hydrogen, and nitrogen
carbon, hydrogen, and oxygen
carbon and oxygen
C H O
Monosaccharides may link together to form polysaccharides by forming which type of bond?
hydrogen
peptide
ionic
glycosidic
glycosidic
Which of the following describes lipids?
a source of nutrients for organisms
energy-storage molecules
molecules having structural role in membranes
molecules that are part of hormones and pigments
all of the above
all of the above
.
Molecules bearing both polar and nonpolar groups are said to be which of the following?
hydrophilic
amphipathic
hydrophobic
polyfunctional
amphipathic
Which of the following groups varies among different amino acids?
hydrogen atom
carboxyl group
R group
amino group
r group
The amino acids present in proteins differ in which of the following?
size
shape
side groups
all of the above
all of the above
Which of the following bonds are not involved in tertiary structure?
peptide bonds
ionic bonds
hydrophobic interactions
hydrogen bonds
peptide bonds
Which of the following characteristics/compounds is not considered to be a phenotypic biochemical characteristic used of microbial identification?
poly-β-hydroxybutyrate
small-subunit (16S) rRNA gene
carbon utilization
lipid composition
small subunit rRNA gene
Proteomic analysis is a methodology that deals with which of the following?
the analysis of proteins functioning as enzymes within the cell
analysis of transport proteins in the cell
the analysis of integral proteins of the cell membrane
the study of all accumulated proteins of an organism
the study of all accumulated proteins of organism
Which method involves the generation of gas phase ions from intact microorganisms?
FAME
PLFA
MALDI-TOF
Lancefield group testing
Maldi-tof
Which method involves the analysis of membrane-bound carbohydrates?
FAME
PLFA
MALDI-TOF
Lancefield group testing
Lancefield group testing
Which method involves conversion of a microbe's lipids to volatile compounds for analysis by gas chromatography?
FAME
proteomic analysis
MALDI-TOF
Lancefield group testing
FAME
1.
Which of the following is an organism that obtains its energy from the transfer of electrons originating from chemical compounds and its carbon from an inorganic source?
chemoautotroph
chemoheterotroph
photoheterotroph
photoautotroph
chemoautotroph