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Growth and Nutrition of Bacteria

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

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

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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
Heisenberg's principle of uncertainty
quorum sensing
Shelford's law of tolerance

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Growth and Nutrition of Bacteria
The cell reproduction in bacteria may occur by

fragmentation
binary fission
all of these
budding

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

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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
requires less oxygen than is present in air
uses oxygen when present or grows without oxygen when absent
is killed by oxygen

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

all of these
accumulation of toxic metabolites
exhaustion of nutrients
rise in cell density

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