Iron,_____,and sulfur form the reactive portion of nitrogenase,a biological catalyst used by nitrogen-fixing organisms.
A) Fe
B) Co
C) Zn
D) Cd
E) Mo

Question

Quizplus · Accepted Answer

Nitrogenase is a biological catalyst used by nitrogen-fixing organisms to convert atmospheric nitrogen to ammonia. The reactive portion of nitrogenase consists of iron, sulfur, and molybdenum. Therefore, the best choice is E, which represents molybdenum.

Iron,_____,and Sulfur Form the Reactive Portion of Nitrogenase,a Biological Catalyst