The first true vaccine protected against disease caused by a(n) ________ pathogen
A) bacterial
B) protozoal
C) fungal
D) viral
E) archaeal
D
You might also like to view...
Protective layers outside the bacterial cell membrane include:
a. cell walls only b. capsules only c. envelopes only d. cell walls and plasmids e. cell walls and capsules
What term refers to the action of touching the thumb to the tips of the other fingers?
a. Flexion b. Abduction c. Circumduction d. Prehensile e. Opposition
Clownfish live within the tentacles of sea anemones. The anemone protects the fish from predators, and the clownfish cleans the anemone. This relationship is an example of
A) parasitism. B) predation. C) succession. D) mutualism. E) competition.
Quaternary ammonium compounds ("quats") are used for
A) antisepsis. B) disinfection. C) sterilization. D) quantifying antimicrobial activity. E) both antisepsis and disinfection.