Choose the Correct Answer from the List Below

Choose the correct answer from the list below. Not all of the answers will be used.
-The enzyme _______________ catalyzes the reduction of O₂.

A) mitochondria
B) ubiquinone
C) coenzyme Q
D) flavin mononucleotide (FMN)
E) iron-sulfur clusters
F) respiration
G) transporters
H) porins
I) succinate dehydrogenase
J) cytochrome c oxidase
K) Complex II
L) Complex III