Why are skin, mucus, stomach acid and lysozyme non-specific defences?
They act only after infection and target pathogens inside cells.
They produce antibodies and form memory cells against each pathogen.
They act broadly and do not recognise one particular antigen.
They act selectively and recognise one particular antigen.
Flashcards for Edexcel A A Level Biology Non-specific and specific immune responses, covering the key terms, definitions and processes you need to recall for Paper 1, Paper 2 and Paper 3. 24 cards, matched to the Edexcel A A Level Biology (9BN0) specification.