Edexcel IGCSE Biology 2.31 Roles of Bile Questions
Practise explaining bile in digestion, including neutralising stomach acid and emulsifying lipids for effective enzyme action.
- Syllabus
- First assessment 2019
- Course
- Biology 4BI1
Exam points
- explain how bile neutralises stomach acid to give a suitable pH for enzymes
- link emulsification of lipids to smaller droplets and increased surface area for lipase
Edexcel IGCSE Biology 2.31 Roles of Bile Questions question 1
The diagram shows the human alimentary canal.
Describe the role of bile in digestion.
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