Unit two 2C - cells and the immune system Flashcards
1
Q
what are antigens?
A
they are molecules (usally proteins) that can generate an immune response when detected by the body.
2
Q
where do you find antigens and what do they do?
A
they are usually found on the surface of cells and are used by the immune system to identify pathogens, abnormal body cells, toxins and cells from other individuals of the same species.
3
Q
A