Biotechnology Includes All of the Following Except _______

Biotechnology includes all of the following except _______.

A) modifying antibiotics with different chemical functional groups to increase their potency
B) using genetically-modified
C) using bacterial antifreeze proteins to protect crops from lethal frosts
D) using bacterial insecticidal proteins as a means to combat mosquitoes as disease vectors
E) coli as a tool to detect cancer