Answer
a. Antibiotics B and C were least effective,
because neither retarded bacterial growth.
b. Antibiotic A was most effective at retarding
bacterial growth; it would probably be the most
effective treatment for an infection caused by
this strain of bacteria.
Work Step by Step
a. Antibiotics B and C were least effective,
because neither retarded bacterial growth.
b. Antibiotic A was most effective at retarding
bacterial growth; it would probably be the most
effective treatment for an infection caused by
this strain of bacteria.