IB Biology HL 3.2.13 Antibiotics and pathogen evidence Question Bank
Practise IB Biology HL 3.2.13 by analysing antibiotic experiments and evidence for selective antimicrobial action.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Interpret zones of inhibition and calculate or compare antibiotic effects.
- Evaluate why antibiotic compounds affect pathogens without harming host cells.
C3.2.13—Antibiotics question 1
The figure shows a transmission electron micrograph of rotavirus particles. Each rotavirus is about 70 nanometres in diameter.
Rotavirus causes diarrhea and vomiting. Explain why viral diseases cannot be treated using antibiotics.
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