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Microbial Metabolism

Microbial Metabolism
Anoxygenic photosynthetic bacteria oxidize

oxgyen
ammonia
sulfide
water

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Microbial Metabolism
The chlorophyll molecules used by eucaryotes and cyanobacteria absorb radiant energy in the____________portion(s) of the visible spectrum.

red and blue
green
green and ultraviolet
red

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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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Microbial Metabolism
If ΔG of a chemical reaction has a negative value, the reaction

releases energy
none of these
requires energy
both (a) and (b)

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Microbial Metabolism
Free energy change (ΔG) of a reaction is referred as the amount of energy

liberated or taken up during reaction
taken up during reaction
none of these
liberated during reaction

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Microbial Metabolism
High energy transfer compounds are capable of

accepting large amounts of free energy
None of these
measuring free energy
transferring large amounts of free energy

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