Match Each Definition with the Correct Term.​

Match each definition with the correct term.​
-immunoglobulins

A) ​bind with specific antigens in the antigen-antibody response
B) produced in response to the presence of antigens​
C) proteins that act as intracellular signals to begin the immune response
D) ​a white blood cell that surrounds and kills invading cells
E) white blood cells formed in the bone marrow as stem cells​