T cells and B cells can be activated only by
A) disease- causing agents.
B) exposure to a specific antigen at a specific site in a plasma membrane.
C) cells infected with viruses, bacteria, or cancer cells.
D) pathogens.
E) interleukins, interferons, and colony- stimulating factors.

Question

Quizplus · Accepted Answer

T cells and B cells are activated when they encounter a specific antigen that binds to their receptors, which are located on their plasma membranes.

T Cells and B Cells Can Be Activated Only by