Question

Which of the following levels of protein structure involves the interaction of more than one polypeptide chain into a three-dimensional structure?

a) primary
b) secondary
c) tertiary
d) quaternary

Answer 1

The quaternary structure involves the interaction of more than one polypeptide chain into a three-dimensional structure.

Step-by-step explanation:

The quaternary structure involves the interaction of more than one polypeptide chain into a three-dimensional structure. It is the highest level of protein structure.