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Growth and Nutrition of Bacteria

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

Grass
Zooplankton
Sea weed
Phytoplankton

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Growth and Nutrition of Bacteria
The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of

Heisenberg's principle of uncertainty
Liebig's law of the minimum
Shelford's law of tolerance
quorum sensing

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

None of these
lesser than that produces three generations per hour
greater than that produces three generations per hour
equal to that produces three generations per hour

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

osmotolerant
acidophile
facultative anaerobe
obligate aerobe

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Growth and Nutrition of Bacteria
Bacteria of genus Nitrosomonas use __________ as their electron source.

ammonia
H2S
succinate
light

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

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

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