Major histocompatibility antigens are
A) antigens that provoke allergic reactions.
B) antigens that must be processed to be recognized by the immune system.
C) antigens attached to foreign invaders.
D) autoantigens involved in epitope recognition.
E) not really antigens, but rather antibodies produced to mask foreign antigens.
D
Bloom's Taxonomy: Comprehension
Section: Elements of Adaptive Immunity
Learning Outcome: 16.9
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