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Microbial Metabolism

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

nitrate
sulfate
CO2
oxygen

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Microbial Metabolism
When acetate is the sole source of carbon for some microorganisms, the cycle which is used, is called

glyoxylate pathway
pentose phosphate pathway
glycolyic pathway
oxaloacetate pathway

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Microbial Metabolism
The major route for incorporation of ammonia (NH4+) into organic compounds is via

all of these
atmospheric nitrogen fixation
reduction of pyruvate or alpha-ketoglutarate by enzymes
oxidation of pyruvate

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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
reduce NADP directly
use light energy to energize an electron
reduce ferridoxin directly

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Microbial Metabolism
Entner - Doudoroff pathway is not found in

anaerobic prokaryotes
eukaryotes
aerobic prokaryotes
Both (a) and (b)

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

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

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