Edexcel International AS and A level Biology XBI11/YBI11 · 6.7.ii
Barriers to infection
- Code
- 6.7.ii
- In
- 6.7 Pathogen entry and barriers to infection
- Topic
- U4 Energy, Environment, Microbiology and Immunity
- Course
- International AS and A level Biology XBI11/YBI11
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points in 6.7 Pathogen entry and barriers to infection
- 6.7.i Routes of entry for pathogens
- 6.7.ii Barriers to infection