Tetracycline (choose all that apply):

A. is useful for intracellular infections such as Rocky Mt. Spotted Fever
B. is commonly added to animal feed
C. is a broad spectrum antibiotic
D. can be used to treat lyme disease

A. is useful for intracellular infections such as Rocky Mt. Spotted Fever

C. is a broad spectrum antibiotic
D. can be used to treat lyme disease