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GROWTH AND NUTRITION OF BACTERIA

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
Bacteria and fungi multiply best

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

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Growth and Nutrition of Bacteria
An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

acidophile
aerotolerant anaerobe
osmotolerant
neutrophile

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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?

Petroff-Hausser chamber
Hemostat
Trubidostat
Coulter Counter

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

chemotrophs
organotrophs
phototrophs
lithotrophs

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