The Formation of a Disulfide Bond is an Example of What

Question

The formation of a disulfide bond is an example of what level(s)of protein structure?
A)primary and secondary
B)secondary and tertiary
C)tertiary and quaternary
D)quaternary

Accepted Answer

Disulfide bonds are covalent bonds that form between the sulfur atoms of cysteine residues in proteins, stabilizing the protein's tertiary structure by holding its folded shape together. They can also play a role in the quaternary structure by linking different polypeptide chains together.