OCR biology B2 A quiz on B2 biology from OCR. 3.5 / 5 based on 3 ratings ? BiologyGCSEAll boards Created by: Anthony CollinsonCreated on: 23-12-11 15:32 What do antibiotics work on? Bacteria and Fungi 1 of 5 HIV is a what? Virus 2 of 5 What are Antigens? Markers on the outside of a microbe 3 of 5 ADH does what to your kidneys if your water levels are too low? Make them more permeable to reabsorb more water 4 of 5 How fast can some Pathogens reproduce? Every 20 minutes 5 of 5
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