Denitrifying bacteria are capable of all EXCEPT:
A) reducing NO3− to N2.
B) using NO3− as an electron acceptor in their energy-producing pathways.
C) oxidizing NH4+ to NO3−.
D) reducing the combined-nitrogen levels.
E) being utilized in water treatment plants to reduce nitrogen entering lakes and streams.
Correct Answer:
Verified
Q6: Nitrate assimilation occurs in two steps: reduction
Q7: The reaction, 2 NH4+ + α-ketoglutarate +
Q8: Nitrite reductase requires _ electrons to reduce
Q9: Glutamate synthase catalyzes the reaction _ +
Q10: N-acetylglutamate functions in ammonium incorporation into metabolic
Q12: Nitrifying bacteria obtain their chemical energy from:
A)
Q13: The correct sequence for electron-transport in nitrate
Q14: All N2-fixing systems are nearly identical and
Q15: Control over nitrogenase activity is accomplished by
Q16: The involvement of ATP in the nitrogenase
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