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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Postgates assay technique is useful in determining if a cell is viable even though it is

incapable of cell division
too small to see
a thermophile
an obligate aerobe

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Growth and Nutrition of Bacteria
A spore differs from an actively replicating bacterium in that the spore

All of these
is able to withstand more extreme conditions than the replicating cell
is metabolically inactive
is produced during a process involving asymmetric division

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Growth and Nutrition of Bacteria
The organism which grows best above 45°C are called

any of these
mesosphilic
psychrophilic
thermophilic

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Growth and Nutrition of Bacteria
The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of

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

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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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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

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

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