How does the structure of hemoglobin change when it binds to oxygen?
A
The beta subunits move closer together
✓
B
The alpha subunits move further apart
C
The heme group changes from a planar to a non-planar conformation
D
The quaternary structure of hemoglobin remains unchanged
Explanation
When hemoglobin binds to oxygen, the beta subunits move closer together, resulting in a change in the quaternary structure of the protein.
Source
Biochemistry textbook
Hematology
Hematology: Hemoglobin and Oxygen Transport
Hematology: Hemoglobin and Oxygen Transport
Hard
MEDICAL
Confidence: high
