Pigs Excrete Guanine Rather That Further Catabolizing It Because ________

Multiple Choice

Pigs excrete guanine rather that further catabolizing it because ________.

A) deamination leads to a product toxic to pigs
B) guanase is produced in extremely small amounts and is only activated under conditions of starvation
C) guanine is a component of antibiotics fed to pigs to enhance their growth
D) pigs lack the enzyme guanase