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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

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

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Growth and Nutrition of Bacteria
The average size of cells during the exponential phase of growth is

lesser than the lag phase
none of these
equal to the lag phase
greater than the lag phase

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

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

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

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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 mass
cell activity

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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