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CAIE IGCSE Chemistry 11.8.13 And Draw the Structure of Proteins As Questions

Work through real CAIE IGCSE Chemistry questions to complete amino-acid polymer structures and draw correct amide linkages.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • draw amide or peptide linkages between amino-acid units in a protein structure
  • complete a protein structure made from several amino acids with correct atoms, bonds and continuation bonds
  • identify protein structures from their repeated amide-link pattern
  • draw the two possible dipeptide orders when two different amino acids combine

CAIE IGCSE Chemistry 11.8.13 And Draw the Structure of Proteins As Questions question 1

[Maximum number: 1]

Which structure represents a protein?

A
Figure for Question CAIE IGCSE Chemistry 11.8.13 And Draw the Structure of Proteins As Questions question 1 — CAIE IGCSE Chemistry — Option A
B
Figure for Question CAIE IGCSE Chemistry 11.8.13 And Draw the Structure of Proteins As Questions question 1 — CAIE IGCSE Chemistry — Option B
C
Figure for Question CAIE IGCSE Chemistry 11.8.13 And Draw the Structure of Proteins As Questions question 1 — CAIE IGCSE Chemistry — Option C
D
Figure for Question CAIE IGCSE Chemistry 11.8.13 And Draw the Structure of Proteins As Questions question 1 — CAIE IGCSE Chemistry — Option D
A

diagram A

B

diagram B

C

diagram C

D

diagram D

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