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Microbial Metabolism

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

lysine
tryptophan
alanine
methionine

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Microbial Metabolism
Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate ?

Oxidoreductase
Hydrogenase
Alkaline phosphates
Protease

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

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

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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 phosphorous. At the end of 48 hours, it is expected to find the radioactive label located in

enzymes
RNA
phospholipids
all of these

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Microbial Metabolism
If ΔG of a chemical reaction is positive in value and keq is less than 1 then the chemical reaction will

none of these
proceeed in forward direction
not take place in any of the direction
proceed in reverse direction

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Microbial Metabolism
Which of the following(s) is/are the products of the light reactions of photosynthesis?

NADPH only
ATP, NADPH, and O2
ATP only
ATP and O2 only

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