The table below shows the percentage of Streptococcus pneumoniae isolates resistant to penicillin in a particular region over a 10-year period.
| Year | Percentage resistance |
|---|---|
| 2010 | 5 |
| 2012 | 8 |
| 2014 | 12 |
| 2016 | 18 |
| 2018 | 25 |
| 2020 | 33 |
Using this information and your knowledge, outline:
(a) how penicillin acts on bacteria (b) why antibiotics are not effective against viruses (c) two consequences of increasing antibiotic resistance (d) one step that can be taken to reduce the impact of antibiotic resistance
Total: 5 marks