What does the immune system mainly use to recognise non-self cells or pathogens?
Hormones with shapes complementary to receptors or antibodies.
Enzymes with shapes complementary to receptors or antibodies.
Antibiotics with shapes complementary to receptors or antibodies.
Antigens with shapes complementary to receptors or antibodies.
Flashcards for Edexcel A A Level Biology Immunity, pathogen evolution and antibiotics, covering the key terms, definitions and processes you need to recall for Paper 1, Paper 2 and Paper 3. 25 cards, matched to the Edexcel A A Level Biology (9BN0) specification.
