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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
Death phase
Exponential phase
Lag phase

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Growth and Nutrition of Bacteria
Bacteria of genus Nitrosomonas use __________ as their electron source.

light
H2S
ammonia
succinate

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

none of these
chemo-organotrophs
chemo-lithotrophs
both (a) and (b)

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Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

lithotrophs
organotrophs
phototrophs
chemotrophs

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

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

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Growth and Nutrition of Bacteria
Lag phase is also known as

none of these
transitional period
period of initial adjustment
generation time

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