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Short Answer
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True/False
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Short Answer
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Multiple Choice
A) MreB.
B) ActA.
C) SpnC.
D) FtsZ.
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True/False
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Multiple Choice
A) lag
B) exponential
C) stationary
D) decline
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Multiple Choice
A) is a phenomenon in which bacteria monitor their own population density.
B) depends on the sensing of signal protein molecules.
C) plays an important role in formation of biofilms by Pseudomonas aeruginosa.
D) all of the choices
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Multiple Choice
A) continuous
B) batch
C) fed-batch
D) semicontinuous
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Multiple Choice
A) psychrotrophs.
B) psychrophiles.
C) frigiphiles.
D) mesophiles.
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Multiple Choice
A) facultative anaerobes.
B) microaerophiles.
C) aerotolerant.
D) anoxygenic.
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Multiple Choice
A) psychrophilic.
B) psychrotrophic.
C) mesophilic.
D) thermophilic.
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Multiple Choice
A) continuous
B) batch
C) fed-batch
D) semicontinuous
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Multiple Choice
A) near neutral (pH 7) .
B) near their optimum growth pH.
C) slightly acidic (pH 4-6) .
D) slightly alkaline (pH 8-10) .
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Multiple Choice
A) there is a balance between cell division and cell death.
B) there is a cessation of cell division even though the cells may remain metabolically active.
C) either there is a balance between cell division and cell death or there is a cessation of cell division even though the cells may remain metabolically active.
D) none of the choices
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Multiple Choice
A) fatty acids that tend to be more saturated.
B) fatty acids that have lower molecular weights.
C) fatty acids that have more double bonds.
D) all of the choices
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Multiple Choice
A) the minimum temperature
B) the maximum temperature
C) the optimum temperature
D) All of these are considered cardinal growth temperatures.
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True/False
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Multiple Choice
A) manostat.
B) chemostat.
C) turbidostat.
D) culturostat.
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Multiple Choice
A) direct counts of microbial cells
B) counts of viable cells using colony growth procedures
C) measurements of microbial biomass
D) all of the choices
Correct Answer
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