Nitrogen fixation by the microorganisms can be detected by adopting the approach of
A. demonstrating growth in a nitrogen free medium
B. cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen
C. measuring15N2 by mass spectrometer
D. all of the above
Answer:D
Nitrogen fixation by the microorganisms can be detected by adopting the approach of
A. demonstrating growth in a nitrogen free medium B. cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen C. measuring15N2 by mass spectrometer D. all of the above