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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Stationary phase
Lag phase
Exponential phase
Death phase

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Growth and Nutrition of Bacteria
The straightforward method of binary fission explains how bacteria

evolve
reproduce
grow in nutrient agar
move

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Growth and Nutrition of Bacteria
The equation used to obtain bacterial population by binary fission is

All of these
log(N/No) = nlog 2
N = No2n
log N/No = (0.3010) n

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

accumulation of toxic metabolites
rise in cell density
exhaustion of nutrients
all of these

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Growth and Nutrition of Bacteria
The term aerotolerant anaerobe refers to an organism that

prefers to grow without oxygen
doesn't use oxygen but can grow in the presence of oxygen
is killed by oxygen
requires less oxygen than is present in air

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Growth and Nutrition of Bacteria
Implicit factors

None of these
can be synergistic
both (a) and (b)
depend on developing microflora

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