Question

1 iron is a component of what substance? multiple choice bilverdin globin heme bilirubin

Explanation:

Heme is a porphyrin - iron complex. Iron is an essential part of the heme group. Bilverdin and bilirubin are products of heme catabolism. Globin is a protein that combines with heme to form hemoglobin, but iron is not part of globin itself.

Answer:

C. Heme