Select for a nitrogen-fixing bacterium

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1. A mutant bacterium does not produce a functional hydroxamate. This bacterium would have difficulty obtaining_______________.

A) Phosphate
B) Iron
C) Ammonia
D) Thiosulfate
E) Hydrogen sulfide

2. Which of the following should not be included in a medium used to select for a nitrogen-fixing bacterium?

A) KH2PO4
B) (NH4)2SO4
C) Glucose
D) MgSO4
E) Na2HPO4

Reference no: EM13530126

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