Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson

Exercise 29

INTERPRETING GRAPHICS: The table below lists the response of a bacterium to several antibiotics. A score of 0 means not sensitive, and sensitivity increases as the score increases. Use the table to answer the questions that follow.

Which of the following antibiotics killed the bacteria most effectively?
A) penicillin
B) bacitracin
C) tetracycline
D) streptomycin