Specific Antibodies Are Highly Protective Molecules Because

Multiple Choice

Specific antibodies are highly protective molecules because

A) of their ability to bind to specific antigens.
B) of their ability to enter all cells in the body.
C) one antibody molecule has more than 20 binding sites.
D) one antibody molecule can bind to many different antigens.
E) one antibody molecule is able to kill many bacterial cells.