Exercise: Growth And Nutrition Of Bacteria

Questions for: Growth And Nutrition Of Bacteria

Which of the following has more tolerance for acidic pH (lower pH)?
A:
Yeast and moulds
B:
Bacteria
C:
E. coli
D:
None of these
Answer: A
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A spore differs from an actively replicating bacterium in that the spore
A:
is produced during a process involving asymmetric division
B:
is able to withstand more extreme conditions than the replicating cell
C:
is metabolically inactive
D:
all of the above
Answer: D
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During exponential growth, the growth rate is
A:
number of generations per unit time
B:
reciprocal of generation time
C:
both (a) and (b)
D:
none of these
Answer: B
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The cell reproduction in bacteria may occur by
A:
binary fission
B:
budding
C:
fragmentation
D:
all of these
Answer: D
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Starvation proteins are produced by a culture during which of the following segments of the growth curve?
A:
Lag phase
B:
Exponential phase
C:
Stationary phase
D:
Death phase
Answer: C
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