Biology A-Level
secondary structure
What secondary structure means in Biology A-Level, as defined for AQA.
Definition of secondary structure
Check what you remember
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Reference: AQA
The folding of the backbone into an alpha helix or beta pleated sheet, held by hydrogen bonds.
Topics that use secondary structure
- General properties of proteins (AQA A-Level)
Related terms
- active sites and binding sites
- amino acids
- carboxyl and amine groups
- condensation arithmetic
- condensation reaction
- denaturation
- disulfide bridges
- haemoglobin and antibodies
Using secondary structure in the exam
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