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Microbial Metabolism

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

catabolism
anabolism
any of these
metabolism

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Microbial Metabolism
Nitrogen fixation is a process that requires

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

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

green
blue
ultraviolet
infrared

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Microbial Metabolism
Incorporation of atmospheric N2to NH4+ occurs via the process of

nitrogen fixation
deamination
transamination
assimilatory nitrate reduction

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Microbial Metabolism
If ΔG of a chemical reaction is positive in value and keq is less than 1 then the chemical reaction will

proceed in reverse direction
none of these
proceeed in forward direction
not take place in any of the direction

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

The chelated metal in bacteriochlorophyll is not Mg
There are chemical differences between the two chlorophyll in their side (R) groups
They have different absorption spectra
Both (b) and (c)

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