Q. Which of the following elements play a major role in nitrogen metabolism by activating the enzyme, nitrogenase?
A) $Cu^{+ 2}$
B) $Zn^{+ 2}$
C) $Mg^{+ 2}$
D) $Mn^{+ 2}$
Explanation
$Mn^{+ 2}$ acts as an activator of nitrogenase during nitrogen fixation
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.