CIE IGCSE Biology: 复习笔记:7.1.11 Digestion of Protein: Extended

CIE IGCSE Biology: 复习笔记:7.1.11 Digestion of Protein: Extended

Digestion of Protein: Extended

  • Proteases are a group of enzymes that break down proteins into amino acids in the stomach and small intestine (with the enzymes in the small intestine having been produced in the pancreas)

The-digestion-of-proteins

The digestion of proteins

  • Protein digestion takes place in the stomach and duodenum with two main enzymes produced:
    • Pepsin is produced in the stomach and breaks down protein in acidic conditions
    • Trypsin is produced in the pancreas and secreted into the duodenum where is breaks down protein in alkaline conditions

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