Monoclonal Antibodies May Be Especially Effective in Treating Certain Cancers

Monoclonal antibodies may be especially effective in treating certain cancers because these drugs

A) create a strong alkyl reaction with the DNA molecule
B) directly inhibit the topoisomerase enzyme responsible for DNA synthesis
C) are attracted directly to the cancer cell, without an appreciable affect on healthy tissues
D) directly inhibit the mitotic apparatus that is responsible for controlling cell division (mitosis)
E) none of the above are true