B3 0.0 / 5 ? BiologyMicrobes and diseasePlant diseasesGCSEAQA Created by: elliescott25Created on: 31-01-17 21:33 What is an antibody? A protein produced by the immune system in response to the presence of an antigen 1 of 6 What does a virus do? Gets inside your cell and reproduces and when lots have been produced it will burst open 2 of 6 What is a pathogen? Microorganisms that cause disease and release toxins 3 of 6 What can we treat using antibiotics? Bacterial infections, NOT VIRUSES 4 of 6 What is an antigen? Found on the surface of microorganisms, antibodies attack them by making an antibody to fit the antigen. They are unique to the pathogen 5 of 6 What is the calculation for herd immunity Qc (herd immunity threshold)=1-1/Ro (reproductive number) 6 of 6
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