5. How do antibiotics lose their effectiveness to fight bacteria in the human body?
A. Bacteria resistant to antibiotics pass on their resistance to other
healthy cells.
B.
Bacteria resistant to antibiotics survive and reproduce after the other
bacteria are killed off.
C. Bacteria resistant to antibiotics use up all of the food in the cells,
leaving other bacteria without an energy source.
D
Too many bacteria are killed by the antibiotic.