When iron complexes with the nitrogen atoms in a porphyrin ring, the unit is called a ________
A)myoglobin group.
B)porphyrate.
C)heme group.
D)ferrate group.
E)hemoglobin.

Question

Quizplus · Accepted Answer

When iron complexes with the nitrogen atoms in a porphyrin ring, the resulting unit is called a heme group. Hemoglobin and myoglobin are proteins that contain a heme group. Porphyrate is not a commonly used term, and ferrate refers to a different oxidation state of iron.

When Iron Complexes with the Nitrogen Atoms in a Porphyrin