Chemical digestion — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
Chemical digestion and bile belong to official B7.3 here. Named pepsin/trypsin comparisons and the separate maltase pathway in this shared set extend the specified enzyme detail.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge 0973 syllabus2028–2029 · B7.3.3–9
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