The right answer is A.
Antimetabolites are used as a drug that disrupts metabolism (chemical processes necessary for the functioning, growth and reproduction of normal and cancer cells). These molecules have a structure similar to those of metabolites, there will be a competition between metabolites and antimetabolites to bind to enzymes.
Antimetabolites are used as a cancer treatment to destroy cancer cells.
a vasectomy, as a male that is his only option to ensure that he can't get any women pregnant
