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Microbial Metabolism

Microbial Metabolism
If ΔG of a chemical reaction has a negative value, the reaction

none of these
releases energy
requires energy
both (a) and (b)

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Microbial Metabolism
Entner-Doudoroff pathway is found in

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

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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

DNA
enzymes
RNA
all of these

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

They have different absorption spectra
There are chemical differences between the two chlorophyll in their side (R) groups
The chelated metal in bacteriochlorophyll is not Mg
Both (b) and (c)

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Microbial Metabolism
As the electron flow through the chains, much of their free energy is conserved in the form of ATP. This process is called

electromotive potential
oxidative phosphorylation
none of these
dehydrogenations

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Microbial Metabolism
The phosphate inhibition in the clavine formation with Claviceps SD58, can be counteracted by the addition of

methionine
alanine
lysine
tryptophan

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