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Microbial Metabolism

Microbial Metabolism
Nitrogen fixation is a process that requires

both (a) and (b)
energy
an aerobic environment
an anaerobic environment

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Microbial Metabolism
Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate ?

Alkaline phosphates
Oxidoreductase
Hydrogenase
Protease

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Microbial Metabolism
If radioactive bicarbonate was supplied to bacterial cells, which were actively synthesizing fatty acids, it is expected to find the bulk of the radioactivity in

nucleic acids
the fatty acids
cellular bicarbonate
the cytoplasmic membrane

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Microbial Metabolism
DAHP synthetase catalyzes the condensation of

phosphoenol pyruvate
both (a) and (b)
phenylalanine
erythrose-4-phosphate

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Microbial Metabolism
The reaction, where small precursor molecules are assembled into larger organic molecules is referred as

catabolism
metabolism
any of these
anabolism

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Microbial Metabolism
The role of bacteriophyll in an oxygenic photosynthesis is to

transfer electrons to an intermediate in the sulfide oxidation pathway
use light energy to energize an electron
reduce ferridoxin directly
reduce NADP directly

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