Multiple Choice
When oxygen binds to a heme-containing protein, the two open coordination bonds of Fe2+ are occupied by:
A) one O atom and one amino acid atom.
B) one O2 molecule and one amino acid atom.
C) one O2 molecule and one heme atom.
D) two O atoms.
E) two O2 molecules.
Correct Answer:

Verified
Correct Answer:
Verified
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