Each hemoglobin molecule contains
a. one alpha and one beta chain.
b. one heme group.
c. four iron atoms.
d. four alpha chains.
e. a molecule of oxygen and a molecule of carbon dioxide.
Answer: C
Each hemoglobin molecule contains
a. one alpha and one beta chain.
b. one heme group.
c. four iron atoms.
d. four alpha chains.
e. a molecule of oxygen and a molecule of carbon dioxide.
Answer: C