★ Microbiology Quiz
The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a(n) ______.
A. hapten
B. epitope
C. variable region
D. antigen binding site
Select your answer:

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A. lung
B. heart
C. brain
D. stomach
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Where is a high ankle sprain located?
A. anterior talofibular ligament
B. calcaneofibular ligament
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D. tibiocalcaneoligament