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Microbial Metabolism

Microbial Metabolism
In establishing proton gradient for chemiosmotic ATP generation by aerobic respiration the terminal electron acceptor is

sulfate
oxygen
CO2
nitrate

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Microbial Metabolism
During the carboxylation phase of the Calvin cycle, CO2 combines with

ribulose 1,5 - bisphosphate
phosphoglyceraldehyde
oxaloacetic acid
pyruvic acid

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

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

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Microbial Metabolism
In order to get inorganic phosphorous into organic compounds, the phosphate ion is incorporated via

substrate level phosphorylation
both (a) and (b)
oxidative phosphorylation
DNA

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Microbial Metabolism
In an oxygenic photosynthesis, the green and the purple bacteria do not use which of the following one as an electron source?

H2S
H2
H2O
S (elemental sulphur)

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Microbial Metabolism
Aerobic catabolism of glucose yields how much energy (ATP synthesized) relative to glucose fermentation?

Twice as much
About the same
Slightly less
More than 10 times as much

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MORE MCQ ON Microbial Metabolism

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