Why is exposure to microorganisms not automatically infection?
Infection requires pathogen contact with the skin.
Infection requires pathogen production of toxins.
Infection requires pathogen entry and multiplication.
Infection requires pathogen transmission between hosts.
Flashcards for Edexcel A A Level Biology Bacteria, viruses and pathogen entry, 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.
