Which of the following correctly explains the role of antibiotics in the human body?

a. they break down damaging toxins created by bacteria.
b. they increase the number of white blood cells in the blood.
c. they rupture the cell wall or prevent protein synthesis in bacteria.
d. they reduce the effects of fever, swelling, and inflammation in the body.

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.