chapter 4 – cell structure and function in bacteria and archaea
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Chapter 4 – Cell Structure and Function in Bacteria and Archaea. Cell Size and Cell Basics. Prokaryotic Cell Walls. Cell Potpourri. Prokaryotic Structures. Prokaryotic Movement. $100. $100. $100. $ 100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. - PowerPoint PPT PresentationTRANSCRIPT
Chapter 4 – Cell Structure and Function in Bacteria and Archaea
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Cell Size and Cell Basics
Prokaryotic Cell Walls Cell Potpourri Prokaryotic
StructuresProkaryotic Movement
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. trueb. false
BACK TO GAME
ANSWER
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. trueb. 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. Nanobacteriab. Escherichia coli c. Epulopiscium fishelsonid. Thiomargarita nambiensis
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ANSWER
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. Nanobacteriab. Escherichia coli c. Epulopiscium fishelsonid. 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. peptidoglycanb. LPSc. slime layerd. cytoplasmic membrane
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ANSWER
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. peptidoglycanb. LPSc. slime layerd. 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 periplasmb. peptidoglycan c. cytoplasmic membraned. tetrapeptide side chains
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ANSWER
Topic 1: Cell Size and Cell Basics
$400 Answer
Question: Gram-negative cells have _______________ and gram-positive cells do not.
a. a periplasmb. peptidoglycan c. cytoplasmic membraned. 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. bacillusb. coccusc. spirillumd. filamentous
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ANSWER
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. bacillusb. coccusc. spirillumd. filamentous
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Topic 2: Prokaryotic Cell Walls
$100 Question
Question: Which type of cell would be affected by lysozyme?
a. a gram-positive bacterial cellb. Mycoplasma speciesc. Archaea d. all of the above
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ANSWER
Topic 2: Prokaryotic Cell Walls
$100 Answer
Question: Which type of cell would be affected by lysozyme?
a. a gram-positive bacterial cellb. Mycoplasma speciesc. Archaea d. all of the above
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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
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ANSWER
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%
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ANSWER
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%
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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
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ANSWER
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. peptidoglycanb. capsulesc. lipopolysaccharided. S layer
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ANSWER
Topic 2: Prokaryotic Cell Walls
$500 Answer
Question: Ketodeoxyoctonate (KDO) is a sugar found in _______________.
a. peptidoglycanb. capsulesc. lipopolysaccharided. S layer
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Topic 3: Cell Potpourri $100 Question
Question: What portion of the gram-negative cell wall is toxic?
a. peptidoglycanb. O-polysaccharidec. phospholipidd. lipid A
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ANSWER
Topic 3: Cell Potpourri $100 Answer
Question: What portion of the gram-negative cell wall is toxic?
a. peptidoglycanb. O-polysaccharidec. phospholipidd. lipid A
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Topic 3: Cell Potpourri $200 Question
Question: The energy source used by lac permease to transport lactose across the plasma membrane is _______________.
a. ATPb. a phosphorylated substratec. proton motive forced. photons from sunlight
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ANSWER
Topic 3: Cell Potpourri $200 Answer
Question: The energy source used by lac permease to transport lactose across the plasma membrane is _______________.
a. ATPb. a phosphorylated substratec. proton motive forced. photons from sunlight
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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 systemc. phosphotransferase (group
translocation)d. translocase system BACK TO GAME
ANSWER
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 systemc. 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 bondb. N-acetylglucosaminec. presence of only L stereoisomer
amino acids d. LPS BACK TO GAME
ANSWER
Topic 3: Cell Potpourri $400 Answer
Question: A similarity between pseudomurein and peptidoglycan includes _______________?
a. beta-1,3 glycosidic bondb. N-acetylglucosaminec. 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 periplasmb. 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
ANSWER
Topic 3: Cell Potpourri $500 Answer
Question: Gram-positive cells cannot store sulfur granules because _______________.
a. gram-positive bacteria lack a periplasmb. 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 cellBACK TO GAME
Topic 4: Prokaryotic Structures
$100 Question
Question: A slime layer or capsule helps a cell to _______________.
a. prevent osmotic lysisb. transport nutrientsc. disperse in a liquid environmentd. make a biofilm
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ANSWER
Topic 4: Prokaryotic Structures
$100 Answer
Question: A slime layer or capsule helps a cell to _______________.
a. prevent osmotic lysisb. transport nutrientsc. disperse in a liquid environmentd. make a biofilm
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Topic 4: Prokaryotic Structures
$200 Question
Question: The structure labeled A is a _______________?
a. flagellab. fimbriaec. pilusd. capsule
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ANSWER
A
Topic 4: Prokaryotic Structures
$200 Answer
Question: The structure labeled A is a _______________?
a. flagellab. fimbriaec. pilusd. capsule
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A
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 moist
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ANSWER
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. Escherichiab. Staphylococcusc. Clostridiumd. Streptococcus
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ANSWER
Topic 4: Prokaryotic Structures
$400 Answer
Question: Which is a common genus of bacteria that forms endospores?
a. Escherichiab. Staphylococcusc. Clostridiumd. Streptococcus
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Topic 4: Prokaryotic Structures
$500 Question
Question: Which of the following is true about SASPs?
a. they are acid solubleb. they can be used as an energy
sourcec. they help protect DNA from UV lightd. all of the above
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ANSWER
Topic 4: Prokaryotic Structures
$500 Answer
Question: Which of the following is true about SASPs?
a. they are acid solubleb. they can be used as an energy
sourcec. they help protect DNA from UV lightd. 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 proteinsb. l-ringc. flagellind. fli proteins
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ANSWER
Topic 5: Prokaryotic Movement
$100 Answer
Question: Which portion of the flagella is responsible for changing the direction of its rotation?
a. mot proteinsb. l-ringc. flagellind. 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 fasterb. the tumbles become less frequent c. the flagella switches the direction of
rotation d. the tumbles become more frequent
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ANSWER
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 fasterb. the tumbles become less frequent c. the flagella switches the direction of
rotation d. the tumbles become more frequent
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Topic 5: Prokaryotic Movement
$300 Question
Question: Aerotaxis refers to the movement toward or away from _______________.
a. saltb. sugarc. oxygend. water
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ANSWER
Topic 5: Prokaryotic Movement
$300 Answer
Question: Aerotaxis refers to the movement toward or away from _______________.
a. saltb. sugarc. oxygend. water
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Topic 5: Prokaryotic Movement
$400 Question
Question: Which of the following uses gliding motility?
a. Escherichia colib. Cyanobacteriac. Rhodospirillumd. Pseudomonas
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ANSWER
Topic 5: Prokaryotic Movement
$400 Answer
Question: Which of the following uses gliding motility?
a. Escherichia colib. Cyanobacteriac. Rhodospirillumd. Pseudomonas
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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. flagellab. magnetosomec. polyphosphated. gas vesicle
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ANSWER
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. flagellab. magnetosomec. polyphosphated. 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 yearsb. About 30 yearsc. Over 30 yearsd. Less than 10 years BACK TO GAME
ANSWER
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 yearsb. About 30 yearsc. Over 30 yearsd. Less than 10 years BACK TO GAME