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Growth and Nutrition of Bacteria

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

move
grow in nutrient agar
evolve
reproduce

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Growth and Nutrition of Bacteria
What is the primary source of food for marine life?

Grass
Sea weed
Phytoplankton
Zooplankton

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Growth and Nutrition of Bacteria
Quantitative measurement of bacterial growth can be carried out by measuring

all of these
cell count
cell activity
cell mass

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Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

>40°C
20-30°C
None of these
25-40°C

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Growth and Nutrition of Bacteria
The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of

S. aureus
Salmonella
all of these
C. botulinum

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

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

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