A cross-reaction is an interaction between an antibody or TCR and
A) a heterologous antigen.
B) a homologous antigen.
C) either a heterologous or homologous antigen.
D) None of these are correct.
Answer: A
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Hydrogen ions have what effect on systemic arterioles?
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Actin filaments are approximately _______ in diameter.
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Which of the following is a long-term effect of heroin use?
Select one: a. The body decreases the production of endorphins. b. The body increases the production of endorphins. c. a decrease in dopamine production d. a release of excess dopamine e. All of the answer choices are long-term side effects of heroin use.