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Growth and Nutrition of Bacteria

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

facultative
aerobe
anaerobe
microaerophile

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

None of these
equal to that produces three generations per hour
lesser than that produces three generations per hour
greater than that produces three generations per hour

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

is killed by oxygen
prefers to grow without oxygen
uses oxygen when present or grows without oxygen when oxygen is absent
doesn't use oxygen but tolerates it

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Growth and Nutrition of Bacteria
A spore differs from an actively replicating bacterium in that the spore

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

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

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

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Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

both (a) and (b)
number of generations per unit time
reciprocal of generation time
none of these

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