The myoglobin protein,which carries oxygen in muscle cells,has only the first three levels of protein structure.What can you infer about myoglobin?
A)Myoglobin lacks hydrogen bonds
B)Myoglobin is made of nucleic acids
C)Myoglobin is not helical or pleated
D)Myoglobin is made of only one polypeptide chain

Question

Quizplus · Accepted Answer

Myoglobin only having the first three levels of protein structure implies that it does not have a quaternary structure, meaning it is made up of only one polypeptide chain.

The Myoglobin Protein,which Carries Oxygen in Muscle Cells,has Only the First