Immune System

3. Which cells remain dormant until activated upon second antigen exposure?
5. What structure on immune cells detects antigens?
9. What is a mixture of antibodies that bind to multiple epitopes of an antigen called?
12. What protein is secreted by B cells to neutralize antigens?
13. What phase do memory cells remain in until they are activated?
14. What major complex helps T cells communicate with antigen-presenting cells?
15. What type of B cells are responsible for secreting antigen-specific antibodies?
16. What type of immune response does the innate immune system include?

1. What type of T cells assist other cells in the immune response?
2. Where do B cells mature if they stay in the bone marrow?
4. What is recruited by the intracellular domain of CD4 to activate the signalling cascade?
6. What is the specific part of an antigen that antibodies recognize?
7. Where does a stem cell mature to become a T cell?
8. What is the term for antibodies produced artificially that recognize one epitope?
9. What enzyme family triggers programmed cell death in the immune response?
10. Which type of molecule binds to receptors on helper T cells to initiate immune response?
11. What is the term for the time taken between antigen exposure and immune response activation?