Multiple Choice
Vaccines are composed of _ that stimulate an active immunity to the pathogen.
A) memory T cells that respond to a microorganism
B) antibodies to a microorganism
C) the pathogenic portion of the microorganism
D) the non- pathogenic portion of the microorganism
E) memory B cells that respond to a microorganism
Correct Answer:
Verified
Correct Answer:
Verified
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