Iron can combine reversibly with oxygen (O 2 ) and its deficiency can lead to anemia. Iron is not converted into bilirubin but rather helps in the formation of heme, which is degraded into bilirubin. Therefore, option D, which includes both the correct statements, is the best choice.

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Iron

Question 24

Multiple Choice

Iron

A) can combine reversibly with O₂.
B) deficiency can produce anemia.
C) is converted into bilirubin and secreted into the bile when an old red blood cell ruptures and is degraded.
D) both (a) and (b) above.
E) all of these answers.

Correct Answer: