A new vaccine for two of the known causes of
cervical cancer (HPV strains 16 and 18) is called
a. Vagasil.
b. Gardasil.
c. Viagrasil.
d. Cervasil.
e. none of these.
Answer: b
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In a natural population of diverse slow-growing prokaryotic cells, what type of viruses would you expect to be most common?
A) lytic bacteriophages B) enveloped viruses C) icosahedral viruses D) temperate bacteriophages
Natural killer cells are capable of which of the
following?
a. stimulating T cell memory b. killing bacteria in the interstitial fluid c. destroying body cells lacking MHC d. shutting down adaptive immune responses e. destroying parasites in the blood stream
Chagas' disease is transmitted by a bug with mouthparts that penetrate blood vessels. Which type of exposure does this represent?
A) mucous membrane portal B) parenteral route C) skin portal D) contact E) fomite
In what ways are humans affected by agricultural practices that promote bacterial resistance?
What will be an ideal response?