Your Aunt Thelma Has Been Anemic for Some Time and Was

Your aunt Thelma has been anemic for some time and was recently shown to be deficient in copper.Which of the following explains the association of copper and anemia?

A) Copper is required for hemoglobin synthesis
B) Copper plays a role in wound healing,which prevents excessive blood loss
C) Anemia affects synthesis of protoporphyrin,which interferes with iron absorption
D) Copper is known to protect against free radical formation,which prevents excess damage of red blood cells