IB Biology HL C3.2.5 Phagocytes Questions
Explore how phagocytes migrate from blood, engulf pathogens and use lysosomal enzymes for non-specific defence in IB Biology HL C3.2.5.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Explain how phagocytes use chemotaxis to leave the bloodstream and reach infected tissues where pathogens or foreign material are detected.
- Explain phagocytosis as membrane engulfment into a vacuole followed by lysosomal-enzyme digestion and destruction of the pathogen as a non-specific defence.
