B2 0.0 / 5 ? BiologyMicrobes and diseaseMedicine and drugsHomeostasisHealthy livingVariety of life and classificationGCSEOCR Created by: StarPollyCreated on: 28-06-14 19:31 What is a pathogen? A disease causing microorganism. 1 of 9 Give an example of a main problems with viruses. They damage the host cell when they reproduce. 2 of 9 Give an example of a main problem with bacteria. They produce toxins. 3 of 9 What is the function of the White Blood Cell? One function of white blood cells is to ingest and destroy pathogens. 4 of 9 Give an example of a way anitbodies can neturalise pathogens? They stick the pathogens together so they are ingested more easily. 5 of 9 What does a vaccination involve? Vaccination can involve injecting an inactive form of the pathogen to stimulate immunity. 6 of 9 Give an example of a way anitbiotics work. Some types of antibiotic work by stopping bacteria reproducing. 7 of 9 Why should we not overuse anitbiotics? One reason why we should be careful not to overuse antibiotics is that dangerous strains of resistant bacteria may develop by natural selection. 8 of 9 What is there no immunity for colds? The cold mutates to quickly for the vaccine to be effective. 9 of 9
Comments
No comments have yet been made