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Microbial Metabolism

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

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

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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
reduce ferridoxin directly
use light energy to energize an electron
reduce NADP directly

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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.

green
green and ultraviolet
red
red and blue

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Microbial Metabolism
As the electron flow through the chains, much of their free energy is conserved in the form of ATP. This process is called

oxidative phosphorylation
electromotive potential
none of these
dehydrogenations

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Microbial Metabolism
During the carboxylation phase of the Calvin cycle, CO2 combines with

oxaloacetic acid
pyruvic acid
phosphoglyceraldehyde
ribulose 1,5 - bisphosphate

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Microbial Metabolism
In the passive diffusion, solute molecules cross the membrane as a result of

all of these
concentration difference
pressure difference
ionic difference

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