What is the function of the hemoglobin subunit beta-globin in the binding of oxygen to hemoglobin?

A It facilitates the release of oxygen to tissues ✓
B It increases the affinity of hemoglobin for oxygen
C It stabilizes the deoxy form of hemoglobin
D It helps in the transport of carbon dioxide

Explanation

The beta-globin subunit plays a crucial role in the binding and release of oxygen to and from hemoglobin. Mutations in this subunit can lead to disorders such as beta-thalassemia.

Source

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