Transcript Cell Potpourri

Chapter 4 – Cell Structure and Function in Bacteria and Archaea
Cell Size and
Cell Basics
Prokaryotic
Cell Walls
Cell
Potpourri
Prokaryotic
Structures
Prokaryotic
Movement
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FINAL ROUND
Topic 1: Cell Size and Cell Basics
$100 Question
True or False. A population of spherical
cells with a diameter of 1 m will persist
better in a nutrient-limiting environment
than a population of spherical cells with a
diameter of 5 m.
a. true
b. false
ANSWER
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$100 Answer
True or False. A population of spherical
cells with a diameter of 1 m will persist
better in a nutrient-limiting environment
than a population of spherical cells with a
diameter of 5 m.
a. true
b. false
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$200 Question
Question: What is the name of a large
sulfur bacteria that is nearly visible to the
human eye?
a. Nanobacteria
b. Escherichia coli
c. Epulopiscium fishelsoni
d. Thiomargarita nambiensis
ANSWER
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$200 Answer
Question: What is the name of a large
sulfur bacteria that is nearly visible to the
human eye?
a. Nanobacteria
b. Escherichia coli
c. Epulopiscium fishelsoni
d. Thiomargarita nambiensis
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$300 Question
Question: If you had a cell with the
structures listed below, what would be the
outermost layer of this hypothetical cell?
a. peptidoglycan
b. LPS
c. slime layer
d. cytoplasmic membrane
ANSWER
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$300 Answer
Question: If you had a cell with the
structures listed below, what would be the
outermost layer of this hypothetical cell?
a. peptidoglycan
b. LPS
c. slime layer
d. cytoplasmic membrane
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$400 Question
Question: Gram-negative cells have
_______________ and gram-positive cells
do not.
a. a periplasm
b. peptidoglycan
c. cytoplasmic membrane
d. tetrapeptide side chains
ANSWER
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$400 Answer
Question: Gram-negative cells have
_______________ and gram-positive cells
do not.
a. a periplasm
b. peptidoglycan
c. cytoplasmic membrane
d. tetrapeptide side chains
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$500 Question
Question: A mixed culture was Gram
stained. The gram-negative cells in this
picture are _______________ shaped.
a. bacillus
b. coccus
c. spirillum
d. filamentous
ANSWER
BACK TO GAME
Topic 1: Cell Size and Cell Basics
$500 Answer
Question: A mixed culture was Gram
stained. The gram-negative cells in this
picture are _______________ shaped.
a. bacillus
b. coccus
c. spirillum
d. filamentous
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$100 Question
Question: Which type of cell would be
affected by lysozyme?
a. a gram-positive bacterial cell
b. Mycoplasma species
c. Archaea
d. all of the above
ANSWER
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$100 Answer
Question: Which type of cell would be
affected by lysozyme?
a. a gram-positive bacterial cell
b. Mycoplasma species
c. Archaea
d. all of the above
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$200 Question
Question: Which of the following is a function
of peptidoglycan?
a. regulation of the passage of nutrients
into the cytoplasm
b. creation of a gradient of protons
(proton motive force)
c. prevention of cell lysis
d. breakdown of nutrients too
large to transport across
the membrane
ANSWER
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$200 Answer
Question: Which of the following is a function
of peptidoglycan?
a. regulation of the passage of nutrients
into the cytoplasm
b. creation of a gradient of protons
(proton motive force)
c. prevention of cell lysis
d. breakdown of nutrients too
large to transport across
the membrane
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$300 Question
Question: Approximately what percentage
of the gram-positive cell wall is composed
of peptidoglycan?
a. 10%
b. 50%
c. 90%
d. 100%
ANSWER
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$300 Answer
Question: Approximately what percentage
of the gram-positive cell wall is composed
of peptidoglycan?
a. 10%
b. 50%
c. 90%
d. 100%
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$400 Question
Question: What aspects of the peptidoglycan are
responsible for its strength?
a. the beta 1,4-glycosidic bonds and the
techoic acids
b. the beta 1,4-glycosidic bonds and the
cross links that connect the chains
of peptidoglycan
c. the peptide bonds in the tetrapeptide
side chains and the techoic acids
d. the ester linked phosphlipids
ANSWER
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$400 Answer
Question: What aspects of the peptidoglycan are
responsible for its strength?
a. the beta 1,4-glycosidic bonds and the
techoic acids
b. the beta 1,4-glycosidic bonds and the
cross links that connect the chains
of peptidoglycan
c. the peptide bonds in the tetrapeptide
side chains and the techoic acids
d. the ester linked phosphlipids
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$500 Question
Question: Ketodeoxyoctonate (KDO) is a
sugar found in _______________.
a. peptidoglycan
b. capsules
c. lipopolysaccharide
d. S layer
ANSWER
BACK TO GAME
Topic 2: Prokaryotic Cell Walls
$500 Answer
Question: Ketodeoxyoctonate (KDO) is a
sugar found in _______________.
a. peptidoglycan
b. capsules
c. lipopolysaccharide
d. S layer
BACK TO GAME
Topic 3: Cell Potpourri
$100 Question
Question: What portion of the gramnegative cell wall is toxic?
a. peptidoglycan
b. O-polysaccharide
c. phospholipid
d. lipid A
ANSWER
BACK TO GAME
Topic 3: Cell Potpourri
$100 Answer
Question: What portion of the gramnegative cell wall is toxic?
a. peptidoglycan
b. O-polysaccharide
c. phospholipid
d. lipid A
BACK TO GAME
Topic 3: Cell Potpourri
$200 Question
Question: The energy source used by lac
permease to transport lactose across the
plasma membrane is _______________.
a. ATP
b. a phosphorylated substrate
c. proton motive force
d. photons from sunlight
ANSWER
BACK TO GAME
Topic 3: Cell Potpourri
$200 Answer
Question: The energy source used by lac
permease to transport lactose across the
plasma membrane is _______________.
a. ATP
b. a phosphorylated substrate
c. proton motive force
d. photons from sunlight
BACK TO GAME
Topic 3: Cell Potpourri
$300 Question
Question: Which transport system is
characterized as having transport proteins
with extremely high substrate affinity?
a. the ATP binding cassette transport
system
b. lac permease system
c. phosphotransferase (group
translocation)
d. translocase system
ANSWER
BACK TO GAME
Topic 3: Cell Potpourri
$300 Answer
Question: Which transport system is
characterized as having transport proteins
with extremely high substrate affinity?
a. the ATP binding cassette transport
system
b. lac permease system
c. phosphotransferase (group
translocation)
d. translocase system
BACK TO GAME
Topic 3: Cell Potpourri
$400 Question
Question: A similarity between
pseudomurein and peptidoglycan includes
_______________?
a. beta-1,3 glycosidic bond
b. N-acetylglucosamine
c. presence of only L stereoisomer
amino acids
ANSWER
d. LPS
BACK TO GAME
Topic 3: Cell Potpourri
$400 Answer
Question: A similarity between
pseudomurein and peptidoglycan includes
_______________?
a. beta-1,3 glycosidic bond
b. N-acetylglucosamine
c. presence of only L stereoisomer
amino acids
d. LPS
BACK TO GAME
Topic 3: Cell Potpourri
$500 Question
Question: Gram-positive cells cannot store
sulfur granules because _______________.
a. gram-positive bacteria lack a periplasm
b. the sulfur granules cannot pass through
the peptidoglycan of a gram-positive
bacterium
c. gram-positive cells are too small
d. they don’t transport sulfur
into the cell
ANSWER
BACK TO GAME
Topic 3: Cell Potpourri
$500 Answer
Question: Gram-positive cells cannot store
sulfur granules because _______________.
a. gram-positive bacteria lack a periplasm
b. the sulfur granules cannot pass through
the peptidoglycan of a gram-positive
bacterium
c. gram-positive cells are too small
d. they don’t transport sulfur
into the cell
BACK TO GAME
Topic 4: Prokaryotic Structures
$100 Question
Question: A slime layer or capsule helps a
cell to _______________.
a. prevent osmotic lysis
b. transport nutrients
c. disperse in a liquid environment
d. make a biofilm
ANSWER
BACK TO GAME
Topic 4: Prokaryotic Structures
$100 Answer
Question: A slime layer or capsule helps a
cell to _______________.
a. prevent osmotic lysis
b. transport nutrients
c. disperse in a liquid environment
d. make a biofilm
BACK TO GAME
Topic 4: Prokaryotic Structures
$200 Question
Question: The structure labeled A is a
_______________?
a. flagella
A
b. fimbriae
c. pilus
d. capsule
ANSWER
BACK TO GAME
Topic 4: Prokaryotic Structures
$200 Answer
Question: The structure labeled A is a
_______________?
a. flagella
A
b. fimbriae
c. pilus
d. capsule
BACK TO GAME
Topic 4: Prokaryotic Structures
$300 Question
Question: Sporulation in endopore-forming
bacteria occurs when _______________?
a. a key nutrient used by the organism
becomes depleted
b. the organism experiences elevated
temperature
c. the organism is exposed to antibiotics
d. the environment surrounding the
organism becomes very
ANSWER
moist
BACK TO GAME
Topic 4: Prokaryotic Structures
$300 Answer
Question: Sporulation in endopore-forming
bacteria occurs when _______________?
a. a key nutrient used by the organism
becomes depleted
b. the organism experiences elevated
temperature
c. the organism is exposed to antibiotics
d. the environment surrounding the
organism becomes very
moist
BACK TO GAME
Topic 4: Prokaryotic Structures
$400 Question
Question: Which is a common genus of
bacteria that forms endospores?
a. Escherichia
b. Staphylococcus
c. Clostridium
d. Streptococcus
ANSWER
BACK TO GAME
Topic 4: Prokaryotic Structures
$400 Answer
Question: Which is a common genus of
bacteria that forms endospores?
a. Escherichia
b. Staphylococcus
c. Clostridium
d. Streptococcus
BACK TO GAME
Topic 4: Prokaryotic Structures
$500 Question
Question: Which of the following is true
about SASPs?
a. they are acid soluble
b. they can be used as an energy
source
c. they help protect DNA from UV light
d. all of the above
ANSWER
BACK TO GAME
Topic 4: Prokaryotic Structures
$500 Answer
Question: Which of the following is true
about SASPs?
a. they are acid soluble
b. they can be used as an energy
source
c. they help protect DNA from UV light
d. all of the above
BACK TO GAME
Topic 5: Prokaryotic Movement
$100 Question
Question: Which portion of the flagella is
responsible for changing the direction of its
rotation?
a. mot proteins
b. l-ring
c. flagellin
d. fli proteins
ANSWER
BACK TO GAME
Topic 5: Prokaryotic Movement
$100 Answer
Question: Which portion of the flagella is
responsible for changing the direction of its
rotation?
a. mot proteins
b. l-ring
c. flagellin
d. fli proteins
BACK TO GAME
Topic 5: Prokaryotic Movement
$200 Question
Question: What happens when a motile
cell with a chemotactic response senses a
higher concentration of an attractant?
a. its flagella spins faster
b. the tumbles become less frequent
c. the flagella switches the direction of
rotation
d. the tumbles become more frequent
ANSWER
BACK TO GAME
Topic 5: Prokaryotic Movement
$200 Answer
Question: What happens when a motile
cell with a chemotactic response senses a
higher concentration of an attractant?
a. its flagella spins faster
b. the tumbles become less frequent
c. the flagella switches the direction of
rotation
d. the tumbles become more frequent
BACK TO GAME
Topic 5: Prokaryotic Movement
$300 Question
Question: Aerotaxis refers to the
movement toward or away from
_______________.
a. salt
b. sugar
c. oxygen
d. water
ANSWER
BACK TO GAME
Topic 5: Prokaryotic Movement
$300 Answer
Question: Aerotaxis refers to the
movement toward or away from
_______________.
a. salt
b. sugar
c. oxygen
d. water
BACK TO GAME
Topic 5: Prokaryotic Movement
$400 Question
Question: Which of the following uses
gliding motility?
a. Escherichia coli
b. Cyanobacteria
c. Rhodospirillum
d. Pseudomonas
ANSWER
BACK TO GAME
Topic 5: Prokaryotic Movement
$400 Answer
Question: Which of the following uses
gliding motility?
a. Escherichia coli
b. Cyanobacteria
c. Rhodospirillum
d. Pseudomonas
BACK TO GAME
Topic 5: Prokaryotic Movement
$500 Question
Question: Which structure confers
buoyancy on a cell and allows it to float up
and down in a water column?
a. flagella
b. magnetosome
c. polyphosphate
d. gas vesicle
ANSWER
BACK TO GAME
Topic 5: Prokaryotic Movement
$500 Answer
Question: Which structure confers
buoyancy on a cell and allows it to float up
and down in a water column?
a. flagella
b. magnetosome
c. polyphosphate
d. gas vesicle
BACK TO GAME
FINAL ROUND Question
Question: Microbiologists have evidence for
how long an endopore can survive. Based
on this evidence, how long can an endospore
survive? (Microbial Sidebar Question)
a. About 10 years
b. About 30 years
c. Over 30 years
d. Less than 10 years
ANSWER
BACK TO GAME
FINAL ROUND Answer
Question: Microbiologists have evidence for
how long an endopore can survive. Based
on this evidence, how long can an endospore
survive? (Microbial Sidebar Question)
a. About 10 years
b. About 30 years
c. Over 30 years
d. Less than 10 years
BACK TO GAME