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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Lag phase
Stationary phase
Death phase
Exponential phase

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

phototrophs
photo-organotrophs
chemotrophs
lithotrophs

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Growth and Nutrition of Bacteria
The term facultative anaerobe refers to an organism that

uses oxygen when present or grows without oxygen when absent
requires less oxygen than is present in air
is killed by oxygen
doesn't use oxygen but tolerates it

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

mesosphilic
thermophilic
psychrophilic
any of these

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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

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

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

above 38°C
below 16°C
none of these
between 16-38°C

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