What is the name of the protein that helps to stabilize the hemoglobin molecule and prevent its degradation?

A Globin
B Haptoglobin ✓
C Hemopexin
D Transferrin

Explanation

Haptoglobin is a protein that binds to free hemoglobin in the blood, preventing its degradation and loss of iron.

Source

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