Unit 1 Flashcards
(6 cards)
0
Q
What are Experienced Activated B Cells able to do?
A
Able to present antigens for T helper cells.
Able to concentrate antigen for presentation.
Displaying both BCRs with antigen and MHC 2 with antigen (crosslinked)
1
Q
What is the time line as to when cells present antigen?
A
- Dendritic Cells
- Macrophages
- B Cells
2
Q
What do virgin B Cells do?
A
Make little MHC 2 and little B7
Not used as APC at the beginning of a battle.
3
Q
True or false:
Experienced T cells need continual re-stimulation.
A
True
4
Q
How are macrophages activated?
A
Battle cytokines - IFN-y
5
Q
What do activated dendritic cells do?
A
Activate virgin T cells in the lymph node.
