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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

organotrophs
lithotrophs
chemotrophs
phototrophs

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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

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

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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
an obligate aerobe
a thermophile

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Growth and Nutrition of Bacteria
An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

acidophile
aerotolerant anaerobe
osmotolerant
neutrophile

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Growth and Nutrition of Bacteria
The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as

log phase
lag phase
decline phase
stationary phase

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Growth and Nutrition of Bacteria
The microorganisms that grow best in a low-oxygen environment is called a (n)

microaerophile
aerobe
anaerobe
facultative

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