IB Biology HL B1.1.3 Digestion By Hydrolysis Questions
Explain how water breaks covalent bonds in polymers to form monomers, and how amylases, proteases and nucleases catalyse hydrolysis.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Explain how hydrolysis uses water to break covalent bonds in polymers, forming monomers.
- Describe how amylases, proteases and nucleases catalyse hydrolysis of major biomolecules.
IB Biology HL B1.1.3 Digestion By Hydrolysis Questions question 1
[Maximum number: 2]
Identify two hydrolysis reactions that occur in the small intestine.
| a | polysaccharides to disaccharides/monosaccharides OR starch/glycogen to maltose |
| b | sucrose to glucose AND fructose |
| c | maltose to glucose |
| d | lactose to glucose AND galactose |
| e | proteins/peptides/polypeptides to shorter peptides/amino acids OR dipeptides to amino acids |
| f | triglycerides/lipids/fats/oils to glycerol AND fatty acids |
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