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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The growth is normally expressed as __________ in turbidimetric measurement

mg N2 /ml
optical density
cells per ml
cfu/ml

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

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

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

form a long chain glycocalyx
make their own food
are highly susceptible to penicillin
produce a blue-green pigment

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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

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

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Growth and Nutrition of Bacteria
The straightforward method of binary fission explains how bacteria

move
evolve
reproduce
grow in nutrient agar

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

doesn't use oxygen but can grow in the presence of oxygen
is killed by oxygen
requires less oxygen than is present in air
prefers to grow without oxygen

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