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Microbial Metabolism

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

Clostridium
Streptomyces
Bacillus
Streptococcus

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

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

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Microbial Metabolism
Which of the following does not produce oxygen as a product of photosynthesis?

Phytoplankton
Oak trees
Cyanobacteria
Purple sulfur bacteria

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

The chelated metal in bacteriochlorophyll is not Mg
There are chemical differences between the two chlorophyll in their side (R) groups
Both (b) and (c)
They have different absorption spectra

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Microbial Metabolism
The role of bacteriophyll in an oxygenic photosynthesis is to

reduce NADP directly
reduce ferridoxin directly
use light energy to energize an electron
transfer electrons to an intermediate in the sulfide oxidation pathway

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Microbial Metabolism
Phosphate is considered to restrict the induction of

none of these
both (a) and (b)
secondary metabolites
primary metabolites

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