BRAINCAKEPolymers and Macromolecules
Some molecules can be linked together by covalent bonds into long chains to form very large molecules called macromolecules.
If these molecules are made of the same repeating unit, the repeating unit is called a monomer and the long chain is called a polymer.
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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.
- triglyceride
- A lipid made of one glycerol molecule joined to three fatty acids by ester bonds.
More in Biological Molecules
- Bonding
- Condensation and Hydrolysis
- Organic Compounds
- Carbohydrates
- Monosaccharides
- Test for Reducing Sugars
- Disaccharides
- Test for Non-reducing Sugars
All 29 lessons in Biological Molecules · All AQA AS-level Biology topics