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Microbial Metabolism

Microbial Metabolism
Which of the following is responsible for phosphate solubilization?

Clostridium
Streptococcus
Bacillus
Streptomyces

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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
infrared
green
blue

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Microbial Metabolism
In an oxygenic photosynthesis, the green and the purple bacteria do not use which of the following one as an electron source?

S (elemental sulphur)
H2O
H2S
H2

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

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

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Microbial Metabolism
Free energy change (ΔG) of a reaction is referred as the amount of energy

liberated during reaction
none of these
liberated or taken up during reaction
taken up during reaction

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Microbial Metabolism
In the passive diffusion, solute molecules cross the membrane as a result of

pressure difference
concentration difference
ionic difference
all of these

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