CH 35
¡Supera tus tareas y exámenes ahora con Quizwiz!
Which of the following cells would release interferon?
a cell infected by a virus
Histamine is an important signaling molecule in the immune system that directly triggers _________.
blood vessels to dilate and become more permeable
Passive immunity differs from active immunity in that passive immunity_______.
is conferred by antibodies produced by another individual
Which of the following is not a characteristics of innate immunity?
it is present only in vertebrates
What role do major histocompability complex (MHC) molecules play in immunity?
presentation of antigens to T cells
