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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The straightforward method of binary fission explains how bacteria

grow in nutrient agar
move
evolve
reproduce

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

lithotrophs
chemotrophs
phototrophs
photo-organotrophs

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

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

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

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

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

exhaustion of nutrients
all of these
rise in cell density
accumulation of toxic metabolites

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