Which of the Following Statements About Protein Structure Is Correct

Multiple Choice

Which of the following statements about protein structure is correct?

A) The helix is stabilized primarily by ionic interactions between the side chains of amino acids.
B) Cytoplasmic proteins generally contain disulfide bonds.
C) In comparison with the b-pleated sheet, the a helix is more extended.
D) The denaturation of proteins is in most cases reversible by slow cooling.
E) The tertiary structure of the protein forms before the formation of disulfide bonds.