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Microbial Metabolism

Microbial Metabolism
DAHP synthetase catalyzes the condensation of

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

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Microbial Metabolism
Standard free energy change (ΔG) can be expressed as

ΔG° = -RT/lnkeq
ΔG° = -RTlnkeq
ΔG° = R/Tlnkeq
ΔG° = RTlnkeq

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Microbial Metabolism
The bacteriochlorophylls used by the anoxygenic bacteria have absorbance maxima located in the_____portion(s) of the spectrum.

ultraviolet
blue
green
infrared

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Microbial Metabolism
The acquisition energy by glucose fermentation requires

the enzyme formic-hydrogen lyase
substrate-level phosphorylation
long-chain fatty acid oxidation
electron transport of electrons from NADH

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Microbial Metabolism
Phosphate deregulated mutants are

highly sensitive to phosphate regulation
moderately sensitive to phosphate regulation
less sensitive to phosphate regulation
none of these

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Microbial Metabolism
Nitrogen fixation is a process that requires

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

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