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Microbial Metabolism

Microbial Metabolism
The reactions of the cell that are carried out for capturing energy are called

catabolism
activation energy
anabolism
metabolism

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Microbial Metabolism
Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive sulphur. At the end of 48 hours, it is expected to find the radioactive label located in

enzymes
RNA
all of these
DNA

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Microbial Metabolism
In aerobic respiration, the terminal electron acceptor is

hydrogen
nitrate
oxygen
nitrogen

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Microbial Metabolism
The glyoxylate cycle is used by some microorganisms when___________ is the sole carbon source.

all of these
carbon dioxide
nitrate
acetate

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Microbial Metabolism
Phosphate is considered to restrict the induction of

secondary metabolites
both (a) and (b)
primary metabolites
none of these

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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?

H2
H2O
H2S
S (elemental sulphur)

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