BRAINCAKEProtein Digestion
Hydrolysis is the breaking of a covalent bond by the addition of a water molecule. Protein digestion takes place in the stomach, duodenum and ileum trypsin and the endopeptidases in pancreatic juice.
Proteins are broken down into amino-acids by digestion.
This involves the breaking of peptide bonds between amino-acid residues by hydrolytic enzymes called proteases.
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Key terms in this lesson
- covalent bond
- A strong chemical bond formed when a pair of electrons is shared between two atoms.
- hydrolysis
- The breaking of a covalent bond within a molecule using a water molecule.
More in Digestion
- Digestion
- The Digestive System
- Carbohydrate Digestion
- Lipid Digestion
- Structure of the Ileum
- Absorption of Amino Acids
- Absorption of Monosaccharides
- Absorption of Triglycerides
All 10 lessons in Digestion · All AQA AS-level Biology topics