Digestion of Protein: Extended (CIE IGCSE Biology)
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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
- 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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