What is the role of hemoglobin's alpha-globin subunit in the stabilization of the hemoglobin molecule?

A It helps to facilitate oxygen binding
B It assists in the transport of carbon dioxide
C It maintains the tetrameric structure of hemoglobin ✓
D It regulates the production of erythropoietin

Explanation

The alpha-globin subunit plays a crucial role in maintaining the tetrameric structure of hemoglobin, which is essential for its function in oxygen transport.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Hemoglobin and Oxygen Transport Hematology: Hemoglobin and Oxygen Transport Medium MEDICAL Confidence: high