What bonds are present in the levels of structure of a protein molecule?
- Aprimary structure: covalent bond; secondary structure: hydrogen bond; quaternary structure: peptide bond
- Bprimary structure: covalent bond; secondary structure: ionic bond; quaternary structure: disulfide bond
- Cprimary structure: peptide bond; secondary structure: hydrogen bond; quaternary structure: ionic bond
- Dprimary structure: peptide bond; secondary structure: ionic bond; quaternary structure: disulfide bond