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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

a protozoan
none of these
an archaean
a fungus

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Growth and Nutrition of Bacteria
The organism which obtain their energy from chemicals are designated as

autotrophs
chemotrophs
prototrophs
organotrophs

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Growth and Nutrition of Bacteria
The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of

Salmonella
S. aureus
all of these
C. botulinum

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

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

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

Bacillus subtilis
Both (a) and (b)
Rhodopseudomonas acidophila
Hyphomicrobium vulgare

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