Unit 2 Flashcards
1
Q
How does viral matter reproduce?
A
Viral RNA acts as host cells RNA, RNA carries the code for viral protein to ribosomes.
2
Q
Role of T helper cells
A
- Release cytokines
- Activate B cells
- Produce T memory cells
3
Q
Role of T killer cells
A
- Release toxic substances, e.g. perforin (makes cell freely permeable)
- Kill infected cells
4
Q
Role of T memory cells
A
• Allow a secondary immune response
5
Q
Role of T regulator cells
A
Suppress the immune system, controls and regulates it, stops immune response once pathogen eliminated, allows body to recognise self antigens
6
Q
Role of Plasma Cells
A
Produce antibodies to a particular antigen
7
Q
Role of B effector cells
A
Divide to form the plasma cell clones
8
Q
Role of B memory cells
A
Provide immunological memory, remember a specific antigen, allows a rapid secondary response
