Key Stage 4
Meaning
Proteases are a group of digestive enzymes which break down proteins into amino acids.
About Protease
There are three main proteases in the human digestive system that you should know:
| Digestive Enzyme | Breaks down... | into... | Produced by: |
| Pepsin | Protein | Amino Acids | The gastric glands in the stomach. |
| Trypsin | Protein | Amino Acids | The pancreas and released into the Small Intestine. |
| Peptidase | Protein | Amino Acids | The Small Intestine. |
References
AQA
- Protease, page 102-103, GCSE Biology; Student Book, Collins, AQA
- Proteases, page 27, GCSE Combined Science; The Revision Guide, CGP, AQA
- Proteases, page 30, GCSE Biology; The Revision Guide, CGP, AQA
- Proteases, pages 115, 116, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Proteases, pages 121, 122, GCSE Biology, CGP, AQA
- Proteases, pages 46, 48, GCSE Biology; Third Edition, Oxford University Press, AQA