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Microbial Metabolism

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

green
ultraviolet
infrared
blue

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Microbial Metabolism
High energy transfer compounds are capable of

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

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Microbial Metabolism
In establishing proton gradient for chemiosmotic ATP generation by aerobic respiration the terminal electron acceptor is

CO2
sulfate
nitrate
oxygen

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Microbial Metabolism
Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive sulphur. At the end of 48 hours, it is expected to find the radioactive label located in

RNA
enzymes
all of these
DNA

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

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

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Microbial Metabolism
During the reduction phase of the Calvin cycle, phosphoglyceric acid is reduced to______utilizing________as the reduction source.

ribulose 1,5 - bisphosphate; NADH+H+
pyruvic acid; NADPH+H+
phosphoglyceraldehyde; NADH+H+
phosphoglyceraldehyde; NADPH+H+

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