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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
An organism is completely dependent on atmospheric O2 for growth. This organism is

obligate aerobe
facultative anaerobe
acidophile
osmotolerant

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

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

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Growth and Nutrition of Bacteria
Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?

Hemostat
Petroff-Hausser chamber
Trubidostat
Coulter Counter

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

Lag phase
Exponential phase
Stationary phase
Death phase

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Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

both (a) and (b)
number of generations per unit time
reciprocal of generation time
none of these

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

above 38°C
none of these
between 16-38°C
below 16°C

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