B1.1.6—Cellulose structure and function Topic Practice
B1.1.6—Cellulose structure and function Topic Practice

IB Biology syllabusBiology SL/HLFirst assessment 2025
Practise connecting cellulose formation from beta-glucose to its linear structure and strengthening role in plant cell walls.
How this is tested
- describe cellulose as linear beta-glucose chains joined by glycosidic bonds
- link cellulose structure to increased strength of plant cell walls
- distinguish cellulose from starch or glycogen using diagrams and function
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