: Explain, in terms of the "lock and key" hypothesis, why amylase cannot digest proteins. [2 marks]
Clearly map the flow of blood through the human heart, noting thickness of chamber walls and valve types. 🌐 Recommended Free Platforms for 5090 Notes biology o level 5090 notes better
Use a sharp HB pencil to draw clear, large diagrams with single, continuous lines. Always label every detail requested. Precise Readings: : Explain, in terms of the "lock and
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