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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.

infrared
blue
green
ultraviolet

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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 phosphorous. At the end of 48 hours, it is expected to find the radioactive label located in

enzymes
RNA
phospholipids
all of these

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Microbial Metabolism
DAHP synthetase catalyzes the condensation of

phosphoenol pyruvate
both (a) and (b)
phenylalanine
erythrose-4-phosphate

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

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

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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; NADPH+H+
phosphoglyceraldehyde; NADH+H+

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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
all of these
enzymes
DNA

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