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CAIE A-Level Biology 2.3.5 Fibrous Protein Structure and Roles

Practise linking elongated, insoluble fibrous proteins and their repeated sequences, stabilising bonds or cross-links to structural strength, stability or elasticity.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • recognise elongated organisation, insolubility and structural function as typical features
  • link extensive hydrogen or disulfide bonding and cross-links with protein stability
  • apply structure–function reasoning to the named fibrous protein instead of generalising

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