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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
ultraviolet
green
blue

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

carbon dioxide
acetate
all of these
nitrate

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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

all of these
RNA
DNA
enzymes

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

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

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Microbial Metabolism
The acquisition energy by glucose fermentation requires

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

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Microbial Metabolism
Entner - Doudoroff pathway is not found in

anaerobic prokaryotes
aerobic prokaryotes
eukaryotes
Both (a) and (b)

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