31. If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined?
A. Complete secondary structure
B. Complete tertiary structure
C. Complete quaternary structure
D. Thermodynamic stability
32. The different orders of protein structure are determined by all of the following bond types except
A. peptide bonds
B. phospho-diester bonds
C. disulfide bridges
D. hydrogen bonds
33. The heme is held in place by a bond between
A. the Fe2+and cysteine
B. the Fe3+and histidine
C. the Fe3+and cysteine
D. the Fe2+and histidine