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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.

blue
infrared
green
ultraviolet

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Microbial Metabolism
If radioactive bicarbonate was supplied to bacterial cells, which were actively synthesizing fatty acids, it is expected to find the bulk of the radioactivity in

cellular bicarbonate
nucleic acids
the cytoplasmic membrane
the fatty acids

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Microbial Metabolism
TCA cycle functions in

anabolic reactions
catabolic reactions
none of these
amphibolic reactions

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Microbial Metabolism
The role of bacteriophyll in an oxygenic photosynthesis is to

reduce ferridoxin directly
use light energy to energize an electron
transfer electrons to an intermediate in the sulfide oxidation pathway
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.

red
green and ultraviolet
green
red and blue

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Microbial Metabolism
Assimilatory sulfate reduction involves the nucleotide __________ during the incorporation of H2S in the production of __________ .

UTP; cytosine
ATP; cytosine
GTP; cytosine
ATP; methionine

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