The conformation, or shape, of a protein determines its function. there are four orders of protein structure:
primary, secondary, tertiary, and quaternary.
which of the following statements is accurate regarding these protein structures?

choose 1

a
proteins in a quaternary structure consist of a simple polypeptide chain.

b
interactions between the r
groups in amino acids form tertiary structure.

c
the two types of primary structure are a helices and pleated sheets.

d
secondary structures are formed by multiple polypeptide chains.