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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.

blue
infrared
ultraviolet
green

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Microbial Metabolism
The chlorophyll molecules used by eucaryotes and cyanobacteria absorb radiant energy in the____________portion(s) of the visible spectrum.

green
red and blue
green and ultraviolet
red

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Microbial Metabolism
The reaction, where small precursor molecules are assembled into larger organic molecules is referred as

metabolism
anabolism
catabolism
any of these

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Microbial Metabolism
During the reduction phase of the Calvin cycle, phosphoglyceric acid is reduced to______utilizing________as the reduction source.

pyruvic acid; NADPH+H+
phosphoglyceraldehyde; NADH+H+
phosphoglyceraldehyde; NADPH+H+
ribulose 1,5 - bisphosphate; NADH+H+

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Microbial Metabolism
Phosphate deregulated mutants are

moderately sensitive to phosphate regulation
none of these
less sensitive to phosphate regulation
highly sensitive to phosphate regulation

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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 cytoplasmic membrane
cellular bicarbonate
nucleic acids
the fatty acids

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