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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

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

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

osmotolerant
acidophile
neutrophile
aerotolerant anaerobe

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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
Coulter Counter
Trubidostat

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

phototrophs
chemotrophs
organotrophs
lithotrophs

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