16. What type of bonds hold the heavy and light chains together to forma heterodimer?
A) Covalent bonds
B) Noncovalent bonds
C) Disulfide bonds
D) Hydrogen bonds

17. What term is used to describe the basic four-chain antibodystructure?
A) (H-L)2
B) (L-L)2
C) H-L-H-L
D) (H-H)2

18. What determines the class of an antibody?
A) The disulfide bonds
B) The light chains
C) The heavy chains
D) The glycosylation pattern