What must a microorganism or virus do to be classed as a pathogen?
It must enter a host.
It must produce toxins.
It must cause disease.
It must reproduce rapidly.
Flashcards for OCR GCSE Biology Monitoring and maintaining health, covering the key terms, definitions and processes you need to recall for the written papers. 25 cards, matched to the OCR GCSE Biology (J247) specification. Recall questions account for roughly 40% of marks at GCSE Biology, so these target the marks you can secure before the paper starts.
