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13 questions from this quiz
They don't have a proper nucleus
Small rings of extra DNA
A tough outer layer that protects
Smaller than plant cells, bigger than viruses
Poisonous substances that damage tissues
Every 20 minutes
Eating food with Salmonella bacteria
Diarrhoea
Through sexual contact
Pain when urinating
Kill bacteria or stop them growing
Bacteria changed so antibiotics don't work
Hand washing reduced death rates
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