The diagram illustrates how the levels of protein structure are related to bonds. Which row is the correct one?
- A1 primary, 2 peptide, 3 secondary, 4 ionic, 5 tertiary
- B1 secondary, 2 hydrogen, 3 tertiary, 4 peptide, 5 primary
- C1 tertiary, 2 ionic, 3 primary, 4 peptide, 5 quaternary
- D1 quaternary, 2 ionic, 3 tertiary, 4 ionic, 5 secondary