MRSA is described as a resistant strain of bacterium. What does this mean?
It is no longer killed by an antibiotic that used to kill it
It is no longer able to be destroyed by white blood cells
It is now able to survive outside the human body for years
It is now able to reproduce inside human body cells
176 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.