Select the true statements regarding antibody (specifically,
immunoglobulin G) structure.
Both the Fab and Fc fragments contain constant domains.
Both the Fab and Fc fragments have variable domains.
The antigen-binding site is formed as a combination of variable
domains from one heavy and one light chain.
The antigen-binding site is located in the Fc fragment.
The heavy and light chains are linked by noncovalent and
disulfide bonds.





