Key term for OCR GCSE Biology A, used in Health and disease.
Unique surface proteins on cells that the immune system uses to identify whether a cell belongs to the body or is foreign.
Antigens appears in OCR GCSE Biology A revision content for Global challenges, especially Health and disease and Stem cells in medicine.
Global challenges
Health and disease • Stem cells in medicine
Global challenges
Health and disease • Treatments for cardiovascular disease
Scaling up
The challenges of size • Human circulatory system
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