Transferrin circulates as which of the following?
A. Lipotransferrin-Fe2+
B. Apotransferrin-Fe2+
C. Apotransferrin-Fe3+
D. Prototransferrin-Fe3+
Question 2
Which of the following is the major transport protein of iron?
A. Transferrin
B. Ferritin
C. Albumin
D. Hemin