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Microbial Metabolism

Microbial Metabolism
Which of the following(s) is/are the products of the light reactions of photosynthesis?

ATP only
ATP, NADPH, and O2
NADPH only
ATP and O2 only

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Microbial Metabolism
Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?

Methanogens (methane-producing microbes)
Methanotrophs (methane-oxidizing microbes)
Acetogens (acetigens; acetate-producing microbes)
Sulfate-reducing bacteria

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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

the fatty acids
cellular bicarbonate
the cytoplasmic membrane
nucleic acids

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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
The specific enzyme/(s) of the glyoxylate cycle is/are

both (a) and (b)
malate synthase
isocitrate lyase
anaplerotic

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Microbial Metabolism
Incorporation of atmospheric N2to NH4+ occurs via the process of

assimilatory nitrate reduction
transamination
nitrogen fixation
deamination

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