Excess iron is stored in the liver and spleen as
A) transferrin.
B) urobilin and stercobilin.
C) bilirubin and biliverdin.
D) hemoglobin.
E) hemosiderin and ferritin.
Question 2
The vitamin that is a constituent of coenzyme A is
A) folic acid (folate).
B) pantothenic acid.
C) pyridoxine (B6).
D) riboflavin.
E) niacin.
