The quaternary structure of hemoglobin is
A) not important for the functioning of this protein.
B) rigid and is not affected by oxygen binding.
C) maintained by hydrophobic bonds, salt bridges, and hydrogen bonds.
D) stabilized by disulfide bridges.
E) none of the above

Question

Quizplus · Accepted Answer

The quaternary structure of hemoglobin is important for its function, as it allows for the cooperative binding of oxygen. It is also affected by oxygen binding, as it undergoes a conformational change upon binding. Hydrophobic bonds, salt bridges, and hydrogen bonds all contribute to the stability of the quaternary structure of hemoglobin. Disulfide bridges are more commonly found in the tertiary structure of proteins, rather than the quaternary structure.

The Quaternary Structure of Hemoglobin Is