Question 1
Why can antibiotics not be used to treat a viral disease?
- Viruses are too large to be affected
- Viruses reproduce too quickly for antibiotics to act
- Viruses live inside host cells and do not have the bacterial cell processes that antibiotics inhibit
- Viruses have a cell wall that antibiotics cannot pass through
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Answer: C (1)
Question 2
Describe the stages in the development of a new antibiotic, in the correct order.
Show mark scheme for question 2
- discovery of the chemical (1)
- development (1)
- preclinical testing, on cells, tissues and live animals (1)
- clinical testing on people (1)
- Max 3