Exam 2

1. Helper T cells recognize antigens composed of
6. Any molecule that can cause an allergic reaction is called:
7. The component produced by CTLs that punches a hole into an infected cell’s membrane is called
8. Naïve T cells can be induced to become regulatory T cells through exposure to:
9. IL-4 is a cytokine that causes uncommitted T helper cells to become what class of T helper cell?
10. The portion of the invariant chain that occupies the class II MHC groove in an endosome is called:
12. When B cell receptors are brought close enough together to cause B cells to be activated, the BRCs are said to be:
16. Proteins that have many different variants across the human population are called:
17. MHC restriction is also known as:
19. Mast cells granules contain primarily:
22. IL-12 is a cytokine that causes uncommitted T helper cells to become what class of T helper cell?

2. A B cell that has bound to its cognate antigen is called:
3. Testing for tolerance of self is also known as:
4. Specific 6-12 amino acid region of an antigen that binds to an antibody
5. The component of human cells that destroy proteins is called the:
11. Substances that are not BCRs but causes BCRs to crosslink when they bind to the surface of a B cell are called
13. IL-6 and TGFb are cytokines that cause uncommitted T helper cells to become what class of T helper cell?
14. The portion of an antibody that determines how the antibody generally functions is the:
15. The antigen that a B cell recognizes is called a(n):
18. Which branch of the immune system usually identifies as invader as dangerous?
20. T cells are born in the bone marrow and are taught self tolerance initially when they leave the bone marrow and move to the:
21. The type of T cell that maintains flexibility in the type of cytokine profile it produces is called: