BRAINCAKEPrimary Structure
The order or sequence in which amino acids are joined together to form polypeptides is called the primary structure.
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Key terms in this lesson
- nucleotide
- A molecule made of a pentose sugar, a phosphate group and a nitrogen-containing base.
- codon
- A sequence of three bases on mRNA that codes for a specific amino acid or a stop signal.
More in Biological Molecules
- Properties of Phospholipids
- Test for Lipids
- Amino-Acids
- Peptide Bond Formation
- Secondary Structure
- Tertiary Structure
- Quaternary Structure
- Test for Proteins
All 29 lessons in Biological Molecules · All AQA AS-level Biology topics