BRAINCAKEAntigens
Antigens are proteins or glycoproteins on the surface of cells or viruses capable of triggering an immune response.
They have a specific three-dimensional shape and are either on the cell membrane or cell walls of cells, invading microorganism and abnormal cells such as cancerous cells.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
Key terms in this lesson
- pathogen
- A microorganism, such as a virus, bacterium, fungus or protoctist, that causes disease.
More in Cell Recognition and the Immune System
- Defence Mechanisms
- Lymphocytes and Phagocytes
- Recognising Self and Non-Self Cells
- Phagocytosis
- Lymphocytes
- Cell-Mediated Immunity
- Cytotoxic T-cells
- Humoral Immunity
All 30 lessons in Cell Recognition and the Immune System · All AQA AS-level Biology topics