Proteins are linear polymers of amino acids.They fold into compact structures.Sometimes,these folded structures associate to form homo-or hetero-dimers.Which one of the following refers to this associated form?

Proteins are linear polymers of amino acids.They fold into compact str

1.	Proteins are linear polymers of amino acids.They fold into compact structures.Sometimes,these folded structures associate to form homo-or hetero-dimers.Which one of the following refers to this associated form?
A.	Precipitation
B.	Quaternary structure
C.	Denatured state
D.	Molecular aggregation
Answer» C. Denatured state