The table lists four stages in the development of a population of gonorrhoea bacteria that is resistant to penicillin. The stages are in the wrong order. Which option gives the correct order?
Table: Four stages in the development of a population of gonorrhoea bacteria resistant to penicillin, listed in the wrong order
| Stage | Description |
|---|---|
| 1 | Penicillin kills the bacteria that are not resistant to it |
| 2 | A random mutation makes one bacterium resistant to penicillin |
| 3 | Most of the bacteria in the population are resistant to penicillin |
| 4 | The resistant bacterium survives and reproduces |
1, 2, 4, 3
2, 4, 1, 3
1, 4, 2, 3
2, 1, 4, 3
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.