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

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Growth and Nutrition of Bacteria
Some organisms can use reduced inorganic compounds as electron donors and are termed as

lithotrophs
photo-organotrophs
chemotrophs
phototrophs

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

acidophile
osmotolerant
obligate aerobe
facultative anaerobe

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Growth and Nutrition of Bacteria
The fragmentation occurs in

Streptomyces species
None of these
Nocardia species
Bacillus subtilis

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Growth and Nutrition of Bacteria
All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as

autotrophs
photo-organotrophs
phototrophs
chemotrophs

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Growth and Nutrition of Bacteria
In the exponential phase, the cells and cell mass

first increases then decreases
are constant
decreases
double at a constant rate

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