BRAINCAKECell Wall
The cell wall encloses all plant cells. It is made of cellulose.
Cellulose is a polymer of beta-glucose. Long molecules of cellulose are bound together to form strong fibres.
The fibres form a mat glued together by pectin and hemicelluloses.
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Key terms in this lesson
- polymer
- A large molecule made of many repeating monomer units joined together by covalent bonds.
- pathogen
- A microorganism, such as a virus, bacterium, fungus or protoctist, that causes disease.
More in Cell Structure
- Endoplasmic Reticulum
- Golgi Apparatus
- Lysosomes
- Ribosomes
- Vacuoles
- Cell Structure and Function
- Cell Specialisation
- Tissues
All 26 lessons in Cell Structure · All AQA AS-level Biology topics