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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)
H2O
H2
H2S

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Microbial Metabolism
High energy transfer compounds are capable of

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

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Microbial Metabolism
Incorporation of atmospheric N2to NH4+ occurs via the process of

nitrogen fixation
deamination
assimilatory nitrate reduction
transamination

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

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

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Microbial Metabolism
The catabolic reaction, pentose-phosphate exists in

prokaryotic cells
eukaryotic cells
prokaryotic and eukaryotic cells both
none of these

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Microbial Metabolism
Anoxygenic photosynthetic bacteria oxidize

oxgyen
water
ammonia
sulfide

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