CAIE IGCSE Chemistry 11.8.12 Proteins As Natural Polyamides and Questions

Work through real CAIE IGCSE Chemistry questions to identify amino-acid monomers, protein linkages and hydrolysis products.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • describe proteins as natural polyamides formed from amino-acid monomers
  • identify amino acids as the monomers and proteins as the naturally occurring polyamides
  • identify peptide or amide linkages and distinguish protein linkages from polyester or addition-polymer linkages
  • describe hydrolysis of proteins to amino acids and recognise acids or enzymes as suitable conditions

CAIE IGCSE Chemistry 11.8.12 Proteins As Natural Polyamides and Questions question 1

[Maximum number: 1]

Which substance is a natural polymer?

A

ethene

B

Terylene

C

nylon

D

protein

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