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Microbial Metabolism

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)
H2S
H2O
H2

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Microbial Metabolism
High energy transfer compounds are capable of

measuring free energy
transferring large amounts of free energy
accepting large amounts of free energy
None of these

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Microbial Metabolism
Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate ?

Oxidoreductase
Protease
Alkaline phosphates
Hydrogenase

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

concentration difference
ionic difference
pressure difference
all of these

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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
Phosphate regulation has been observed in the production of

gibberelins
all of these
antibiotics
alkaloids

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