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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
The reaction, where small precursor molecules are assembled into larger organic molecules is referred as

metabolism
catabolism
any of these
anabolism

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Microbial Metabolism
Which of the following(s) is/are the products of the light reactions of photosynthesis?

ATP only
ATP and O2 only
NADPH only
ATP, NADPH, and O2

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

deamination
nitrogen fixation
assimilatory nitrate reduction
transamination

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Microbial Metabolism
Standard free energy change (ΔG) can be expressed as

ΔG° = R/Tlnkeq
ΔG° = -RTlnkeq
ΔG° = RTlnkeq
ΔG° = -RT/lnkeq

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Microbial Metabolism
Phosphate regulation has been observed in the production of

alkaloids
all of these
antibiotics
gibberelins

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