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Microbial Metabolism

Microbial Metabolism
Entner-Doudoroff pathway is found in

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

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Microbial Metabolism
During the reduction phase of the Calvin cycle, phosphoglyceric acid is reduced to______utilizing________as the reduction source.

ribulose 1,5 - bisphosphate; NADH+H+
phosphoglyceraldehyde; NADH+H+
pyruvic acid; NADPH+H+
phosphoglyceraldehyde; NADPH+H+

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

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

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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?

H2O
H2S
S (elemental sulphur)
H2

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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
oxaloacetate pathway
glycolyic pathway

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Microbial Metabolism
TCA cycle functions in

catabolic reactions
anabolic reactions
amphibolic reactions
none of these

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