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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
TCA cycle functions in

amphibolic reactions
catabolic reactions
none of these
anabolic reactions

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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
ATP; methionine
GTP; cytosine

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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
all of these
phospholipids

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Microbial Metabolism
The glyoxylate cycle is used by some microorganisms when___________ is the sole carbon source.

carbon dioxide
nitrate
acetate
all of these

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Microbial Metabolism
The acquisition energy by glucose fermentation requires

electron transport of electrons from NADH
long-chain fatty acid oxidation
substrate-level phosphorylation
the enzyme formic-hydrogen lyase

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