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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?

H2O
H2S
S (elemental sulphur)
H2

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

Alkaline phosphates
Protease
Hydrogenase
Oxidoreductase

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Microbial Metabolism
If ΔG of a chemical reaction has a negative value, the reaction

none of these
both (a) and (b)
requires energy
releases energy

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

infrared
ultraviolet
blue
green

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

lysine
alanine
methionine
tryptophan

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Microbial Metabolism
If ΔG of a chemical reaction is positive in value and keq is less than 1 then the chemical reaction will

proceed in reverse direction
not take place in any of the direction
none of these
proceeed in forward direction

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