. Prontosil effectively acted on streptococci when the drug was split by enzymes to produce

A. penicillin.
B. sulfanilamide.
C. erythromycin.
D. Salvarsan.


B

Biology & Microbiology

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The liver ____

a. detoxifies toxic substances b. breaks down bile

c. absorbs amylase d. synthesizes lipoproteins e. turns glycogen into glucose

Biology & Microbiology

In which process are fluids pumped into the abdominal cavity to absorb wastes, then pumped out?

a. none of the choices b. peritoneal dialysis c. gastric lavage d. hemodialysis

Biology & Microbiology

Altruism is

A. actions of an animal that immediately benefit others rather than itself. B. a means of ranking animals in a dominance hierarchy. C. displaced aggressive behavior. D. belligerent behavior that helps an animal compete in its society.

Biology & Microbiology

A fat-soluble vitamin that aids in blood clotting is ____.

A. vitamin C B. thiamin C. riboflavin D. vitamin K E. folic acid

Biology & Microbiology