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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

phototrophs
lithotrophs
chemotrophs
organotrophs

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

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

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Growth and Nutrition of Bacteria
The equation used to obtain bacterial population by binary fission is

All of these
N = No2n
log(N/No) = nlog 2
log N/No = (0.3010) n

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Growth and Nutrition of Bacteria
Quantitative measurement of bacterial growth can be carried out by measuring

cell count
cell activity
cell mass
all of these

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

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

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

anaerobe
aerobe
facultative
microaerophile

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