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Microbial Metabolism

Microbial Metabolism
Which of the following does not produce oxygen as a product of photosynthesis?

Oak trees
Cyanobacteria
Purple sulfur bacteria
Phytoplankton

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Microbial Metabolism
The major route for incorporation of ammonia (NH4+) into organic compounds is via

all of these
oxidation of pyruvate
reduction of pyruvate or alpha-ketoglutarate by enzymes
atmospheric nitrogen fixation

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

ultraviolet
green
infrared
blue

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Microbial Metabolism
When acetate is the sole source of carbon for some microorganisms, the cycle which is used, is called

glyoxylate pathway
pentose phosphate pathway
oxaloacetate pathway
glycolyic pathway

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

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

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Microbial Metabolism
The phosphate inhibition in the clavine formation with Claviceps SD58, can be counteracted by the addition of

lysine
methionine
tryptophan
alanine

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