Myoglobin and a single chain of hemoglobin have similar ______ structures.
A)primary
B)secondary
C)tertiary
D)quaternary
E)none of the above

Question

Quizplus · Accepted Answer

Both myoglobin and a single chain of hemoglobin have a similar tertiary structure, which is characterized by the folding of the polypeptide chain into a compact, globular shape. This folding is primarily determined by the interactions between the R groups of the amino acids in the chain. While they also have similar secondary structures (alpha helices and beta sheets), their quaternary structures differ significantly, as myoglobin is a monomer and hemoglobin is a tetramer made up of four subunits.

Myoglobin and a Single Chain of Hemoglobin Have Similar ______