BRAINCAKEAmino-Acids
Amino-acids are monomers that combine to make polymers called polypeptides.
Polypeptides can be joined together to make proteins.
There are about 100 known amino-acids. 20 of them occur naturally in proteins.
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Key terms in this lesson
- polymer
- A large molecule made of many repeating monomer units joined together by covalent bonds.
- monomer
- A small molecule that is a repeating subunit from which larger molecules such as polymers are made.
More in Biological Molecules
- Properties of Triglycerides
- Phospholipids
- Properties of Phospholipids
- Test for Lipids
- Peptide Bond Formation
- Primary Structure
- Secondary Structure
- Tertiary Structure
All 29 lessons in Biological Molecules · All AQA AS-level Biology topics